Nervous-system sentence example

nervous-system
  • Exposure to pesticides has been linked to cancer, nervous-system and lung damage, reproductive dysfunction, and possibly dysfunction of the endocrine and immune systems.
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  • The plan of the central nervous system is therefore that of the Arthropoda.
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  • In connexion with the central nervous system there are usually numerous organs of special sense.
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  • The nervous system consists as in Hydromedusae of a diffuse plexus beneath the ectoderm, concentrated in certain places to form a central nervous system.
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  • synthesis of prostaglandins, it acts within the damaged tissue itself rather than on the nervous system.
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  • In 1802 he published a series of engravings of original drawings, showing the anatomy of the brain and nervous system.
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  • Where the nervous system is exhausted, such warm and moist climates as Malaga, Madeira, Tenerife and Grand Canary are suitable.
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  • Wassermann and Takaki in the case of tetanus, that there do exist in the nervous system molecules with combining affinity for the tetanus toxin.
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  • Natural immunity against toxins must be taken into account, and, if Ehrlich's view with regard to toxic action be correct, this may depend upon either the absence of chemical affinity of the living molecules of the tissues for the toxic molecule, or upon insensitiveness to the action of the toxophorous group. It has been shown with regard to the former, for example, that the nervous system of the fowl, which possesses immunity against tetanus toxin, has little combining affinity for it.
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  • These drawings, which are remarkable for artistic skill and finish, were taken from dissections made by Bell for the lectures or demonstrations he gave on the nervous system as part of the course of anatomical instruction of his brother.
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  • The nervous system lies in the epidermis, externally to the basementmembrane.
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  • k, the hollow central nervous system of some Enteropneusta and of Vertebrates.
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  • Drugs acting on the nervous system.
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  • cleanup crew ' for the central nervous system and retina.
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  • There is some reason to believe that a peculiar condition found in the majority of human albinoes, and known as nystagmus, is correlated with the absence of pigment in the central nervous system.
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  • - Diagrams of the nervous system of Amphineura.
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  • Their bilateral symmetry is obviously to be regarded as primitive, and the nervous system shows an original condition from which that of the asymmetrical twisted Gastropods can be derived.
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  • The body is composed of a large number of segments; the prostomium bears a pair of tentacles; the nervous system consists of a brain and longitudinal ventral nerve cords closely connected with the epidermis (without distinct ganglia), widely separated in Saccocirrus, closely approximated in Protodrilus, fused together in Polygordius; the coelom is well developed, the septa are distinct, and the dorsal and ventral longitudinal mesenteries are complete; the nephridia are simple, and open into the coelom.
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  • Among the properties of living material there is one, widely though not universally present in it, which forms the pre-eminent characteristic of 1 The anatomy of the muscles is dealt with under Muscular System, and of the nerves under Nerve and Nervous System.
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  • This is manifested by the muscular walls of the hollow viscera and of the heart, where it is the expression of a continuous liberation of energy in process in the muscular tissue, the outcome of the latter's own intrinsic life, and largely independent of any connexion with the nervous system.
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  • The work of Camillo Golgi (Pavia, 1885 and onwards) on the minute structure of the nervous system has led to great alteration of doctrine in neural physi nerve cells, that is to say, the fine nerve fibres - since all nerve fibres are nerve cell branches, and all nerve cell branches are nerve fibres - which form a close felt-work in the nervous centres, there combined into a network actually continuous throughout.
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  • This continuum was held to render possible conduction in all directions throughout the grey matter of the whole nervous system.
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  • Certain it is that in the course of the waking day a great number of stimuli play on the sense organs, and through these produce disintegration of the living molecules of the central nervous system.
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  • The second factor inducing the assimilative change is the withdrawal of the nervous system from sensual, stimulation.
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  • Symptoms attendant on the hypnotic state are closure of the eyelids by the hypnotizer without subsequent attempt to open them by the hypnotized subject; the pupils, instead of being constricted, as for near vision, dilate, and there sets in a condition superficially resembling sleep. But in natural sleep the action of all parts of the nervous system is subdued, whereas in the hypnotic the reactions of the lower, and some even of the higher, parts are exalted.
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  • The peripheral nervous system is minutely described by T.
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  • Apparently there is an influence on the afferent nerves of the part which causes a reflex contraction - some authors say dilatation - of the vessels in the internal organs that are under the control of the same segment of the nervous system as that supplying the area of skin from which the exciting impulse comes.
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  • Herbert Spencer, again, before the decline in question set in, put forward the hypothesis that "the ability to maintain individual life and the ability to multiply vary inversely"; in other words, the strain upon the nervous system involved in the struggle for life under the conditions of modern civilization, by reacting on the reproductive powers, tends towards comparative sterility.
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  • He seems in this way to have educated in himself a very precise " electrical sense," making use of his own nervous system as a kind of physiological galvanometer.
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  • A large population is temporarily attracted to Cannstatt by the fame of its mineral springs, which are valuabl e for diseases of the throat and weaknesses of the nervous system.
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  • The pedal ganglia and auditory organs have disappeared with the foot, at all events have never been detected; the cerebral ganglia are very minute, while the parieto-splanchnic are well developed, and constitute the principal part of the nervous system.
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  • When this gland becomes enlarged, and its secretion consequently increases, the vessels dilate, the heart beats more rapidly, the skin becomes too hot, the nervous system becomes irritable, and tremors occur in the limbs.
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  • When the nervous system is below par, and both secretion and movements are deficient in the stomach, nervine tonics, such as nux vomica or strychnine, are most useful.
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  • Further, these molecules in the nervous system present the same susceptibility to heat and other physical agencies as does tetanus antitoxin.
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  • Ten grains taken at bedtime will often give sleep, cause free diaphoresis and quieten the entire nervous system in such cases.
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  • In these medusae, however, the central nervous system does not form continuous rings, but occurs as four or eight separate con centrations at the margin of the umbrella, centred each round one of the sense-organs (tentaculocysts).
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  • The central nervous system is constructed on the same general plan as in the other Arthropoda, consisting of a supra-oesophageal ganglionic mass or brain, united by circumoesophageal connectives with a double ventral chain of segmentally arranged ganglia.
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  • The resemblances between the Crustacea and the Annelid worms, in such characters as the structure of the nervous system and the mode of growth of the somites, can hardly be ignored.
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  • The large number and the uniformity of the trunk somites and their appendages, and the structure of the nervous system and of the heart in A pus, are Annelidan characters which can hardly be without significance.
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  • The nervous system resembles that of Gastropoda and Lamellibranchia.
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  • The nervous system consists of a circumoesophageal nerve, with scarcely differ entiated brain, joining below a large ganglionic mass no doubt representing many fused ganglia (B).
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  • To regard the intellectual functions of the brain and nervous system as alone to be considered in the psychological comparison of man with the lower animals, is a view satisfactory to those thinkers who hold materialistic views.
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  • - Bromide of potassium is the safest and most generally applicable sedative of the nervous system.
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  • Whilst very weak, its action is perfectly balanced throughout all nervous tissue, so much so that Sir Thomas Lauder Brunton has suggested its action to be due to its replacement of sodium chloride (common salt) in the fluids of the nervous system.
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  • All the intellectual processes are evolved from sensibility, and sensibility itself is a property of the nervous system.
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  • In the nervous system of Aplysia the great ganglion-pairs are well developed and distinct.
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  • Nervous System.
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  • 3) Nervous System.
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  • In 1804 he wrote the third volume, containing the anatomy of the nervous system and of the organs of special sense, of The Anatomy of the Human Body, by John and Charles Bell.
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  • This work, apart from its value to artists and psychologists, is of interest historically, as there is no doubt the investigations of the author into the nervous supply of the muscles of expression induced him to prosecute inquiries which led to his great discoveries in the physiology of the nervous system.
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  • In 1811 Bell published his New Idea of the Anatomy of the Brain, in which he announced the discovery of the different functions of the nerves corresponding with their relations to different parts of the brain; his latest researches were described in The Nervous System of the Human Body (1830), a collection of papers read by him before the Royal Society.
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  • At last a quinqueradiate symmetry influenced the plates of the theca, partly through the development of a plate at the end of each groove (terminal), partly through plates at the aboral pole of the theca (basals and infrabasals) arising in response to mechanical pressure, but soon intimately connected with the cords of an aboral nervous system.
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  • Lankester, " Observations and Reflections on the Appendages and Nervous System of Apus Cancriformis," Quart.
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  • The mouth (o) is in front of the tentacles, on the ventral side, and is overhung by a mobile praeoral hood, in which is the principal part of the nervous system.
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  • There are exceptions to this, however, as children are more affected in proportion by opium and some other substances, and less by mercury and arsenic. In old age also the nervous system and the tissues generally do not react so readily as in youth.
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  • Soluble salts of manganese, aluminium, zinc, copper, gold, platinum and bismuth have, when given by the mouth, little action beyond their local astringent or irritating effects; but when injected into a blood vessel they all exert much the same depressing effect upon the heart and nervous system.
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  • Arsenic and antimony do not form combinations with albumen, but they both greatly depress the central nervous system and circulation; and, if their action be long continued in large doses, they cause fatty degeneration of the viscera and disappearance of glycogen from the liver.
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  • When taken by the mouth phosphorus is an irritant poison in large doses; in small doses the only effects noticeable consist in an increased formation of bony and connective tissue, although it is also supposed to exert a gently stimulating effect upon the nervous system.
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  • In addition they have a stimulating action on the central nervous system.
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  • In large doses they are powerful nerve poisons, but as usually taken they exercise a gently stimulant effect upon the nervous system.
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  • Emetine acts as a gradual depressant to the nervous system in animals.
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  • Babies know how to cry when they are born, so using the vocal cords is autonomic – part of the autonomic nervous system.
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  • The process may enable doctors to give amputees fully functioning bionic limbs which are linked to the patient's nervous system within five years.
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  • antispasmodic drug that works directly on the muscles rather than on the central nervous system.
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  • The motor nerve cell body has a long fiber called an axon, which extends from the central nervous system to the muscles.
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  • bionic limbs which are linked to the patient's nervous system within five years.
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  • bronchusct on the B2 receptors of the sympathetic nervous system relaxing bronchial smooth muscle thereby dilating the bronchi.
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  • carminative effect on the nervous system promoting relaxation whilst also tonifying and strengthening the nerves.
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  • Temporal central nervous system remission was induced by intrathecal chemotherapy only.
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  • One of the most important nutrients associated with the brain and nervous system is phosphatidyl choline.
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  • They are nerve poisons, inhibiting the enzyme cholinesterase, which can have severe effects on the central nervous system.
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  • Measurement of acetyl cholinesterase (AChE) activity is the primary method for measuring the effect of these pesticides on the nervous system.
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  • cocaine is a short acting powerful, central nervous system stimulant that comes from the coca bush which grows widely in South America.
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  • craniosacral Therapy works by helping the body's natural healing mechanisms dissipate the negative effects of stress on the central nervous system.
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  • Degenerative brain diseases are marked by progressive, irreversible damage to cells of the central nervous system.
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  • All these are progressively degenerative diseases of the central nervous system that prove ultimately fatal.
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  • Special note should be made of central nervous system depressants.
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  • Sedation due to the drug may be increased by the concomitant use of other central nervous system depressants.
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  • depressant effect on the central nervous system.
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  • depressant actions on various central and peripheral nervous system pathways.
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  • Carbon monoxide related cerebral edema can cause irreversible damage to the brain which in turn can effect the nervous system.
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  • efferent nerves C. To the central nervous system D. Motor neurones 3. Which of the following statements are true?
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  • enterovirus infection of the central nervous system of humans: lack of association with chronic neurological disease.
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  • Older medications often included ephedrine or related compounds which are banned because they are considered as central nervous system stimulants.
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  • excitatory transmitter in the central nervous system.
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  • Looking at possible relationships between emotional expressivity and autonomic nervous system activity.
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  • These can include: heart problems eyesight problems problems with the nervous system.
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  • This indicates that folic acid can modulate key mechanisms for growth and differential in the central nervous system.
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  • The most dramatic difference between humans and any other species, including the great apes, is found in the central nervous system.
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  • high-grade lymphoma that often involves the nervous system.
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  • Click Here Further Details histology of the Nervous System This page contains 40 different slides showing the histology of the nervous system.
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  • Intention is a powerful force; it begins to activate the nervous system and triggers nerve impulses into muscles.
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  • It damages the central nervous system and skin, and causes respiratory irritation.
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  • leavet unchecked, a lack of this vitamin can lead to anemia and irreversible damage to the nervous system.
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  • What allows a leech to regenerate its nervous system?
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  • Tetanus (sometimes called lockjaw) is a bacterial disease that affects the nervous system.
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  • Perry, V.H. (1998) A revised view of the central nervous system microenvironment and major histocompatibility complex class II antigen presentation.
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  • Brain cells can give rise to all previous cells types including the peripheral nervous system and smooth muscle.
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  • Schwann cell - produces myelin in the peripheral nervous system.
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  • Kinney HC, Brody BA, Kloman AS, Gilles FH: Sequence of central nervous system myelination in human infancy.
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  • The autonomic nerve fibers which radiate from the central nervous system to the ganglia of the autonomic nervous system are called preganglionic nerves.
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  • The nervous system of the body is mainly categorized into the Central nervous system of the body is mainly categorized into the Central Nervous system, the peripheral, somatic, autonomic and enteric systems.
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  • A tiny embryo is aware, even before the central nervous system is formed.
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  • The enteric nervous system controls the gut functions and sensory neuron transmitters all over the body relay message back to these systems.
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  • First there is the complexity of the human nervous system.
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  • The brain and its reaction controls every function of the body, triggered by the sensory nervous system.
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  • functional neuroanatomy of nitric oxide signaling in the thoracic nervous system of the locust L. Owens, Q.
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  • neurogenic pain Pain due to damage to the nervous system itself.
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  • By designing drugs to affect specific neurotransmitters or neuroreceptors, drugs can be targeted at different parts of the nervous system.
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  • noradrenaline receptors in the sympathetic nervous system.
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  • Activation of the autonomic nervous system also delays gastric emptying and reduces intestinal peristalsis.
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  • It also prevents pernicious anemia and is necessary to a healthy nervous system.
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  • predisposes of predisposing factors outlined above all have a powerful effect on the human nervous system.
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  • AB - PURPOSE: Children with recurrent or progressive central nervous system (CNS) tumors have an unfavorable prognosis.
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  • proprioceptive information is fed into the central nervous system.
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  • Extrapyramidal Nervous System Refers to the caudate, putamen, and Substantia Nigra.
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  • Pronounced central nervous system depression requires airway maintenance or, in extreme circumstances, assisted respiration.
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  • sensory neurones: Nerve cells within the nervous system responsible for converting external stimuli from the organism's environment into internal electrical impulses.
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  • Cocaine is a short acting powerful, central nervous system stimulant that comes from the coca bush which grows widely in South America.
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  • studentship information principal interests: Regulation of gene expression with particular emphasis on the nervous system.
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  • Neurological surgery is concerned with the diagnosis and treatment, usually surgical, of disorders involving the brain and nervous system.
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  • synapses in the central nervous system.
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  • He's had syphilis of the central nervous system.
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  • third ventriclepeptides reduce food intake when injected into the third cerebral ventricle, and probably have several other functions within the central nervous system.
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  • uncommon complication of the disorder is central nervous system invasion.
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  • Mr Z was uncooperative with an examination of his nervous system and seemed unsteady to the staff grade doctor.
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  • upswings in strength are actually the result of alterations in the way the muscle is controlled by the NERVOUS SYSTEM.
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  • other vasodilators There are still many alternative treatments available, for example, drugs acting on the central nervous system.
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  • lifting free weights improves your coordination by improving the neuromuscular pathways that connect your muscles to the central nervous system.
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  • n.s., Central nervous system.
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  • tion of the nervous system and in the a, Anterior; b, pof presence of four Malpighian (excretory) terior process of tubes the Thysanoptera resemble the ovipositor.
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  • (I) The polyp, when present, is without the strongly developed longitudinal retractor muscles, forming ridges (taeniolae) projecting into the digestive cavity, seen in the scyphistoma or scyphopolyp. (2) The medusa, when' present, has a velum and is hence said to be craspedote; the nervous system forms two continuous rings running above and below the velum; the margin of the umbrella is not lobed (except in Narcomedusae) but entire; there are characteristic differences in the sense-organs (see below, and Scyphomedusae); and gastral filaments (phacellae), subgenital pits, &c., are absent.
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  • Several futile attempts have been made to draw conclusions as to the intelligence of various birds, from comparison of the weight of the whole brain with that of the body, or the weight of the hemispheres with that of other parts of the central nervous system.
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  • Swan, Illustrations of the Comparative Anatomy of the Nervous System (London, 1835, 4to, with plates).
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  • In many of the Nudibranchiate Opisthobranchs the nervous system presents a concentration of the ganglia (fig.
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  • The nervous system of Helix is not favourable as an example on account of the fusion of the ganglia to form an almost uniform ring of nervous matter around the oesophagus.
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  • - The nervous system in the Hexapoda is built up on the typical arthropodan plan of a double ventral nerve-cord with a pair of ganglia in each segment, the cords passing on either side of the gullet and connecting with an anterior nerve-centre or brain (fig.
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  • On the other hand, not a few disorders proved to be alien to classes to which narrower views of causation had referred them; of such are tabes dorsalis, neuritis, infantile palsy or tetanus, now removed from the category of primary nervous diseases and placed in one or other of the class of infections; or, conversely, certain forms of disease of the joints are now regarded with some certainty as members of more than one series of diseases chiefly manifest in the nervous system.
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  • It acts similarly, though less markedly, upon the nerves which determine the secretion of the perspiration, and is therefore a local anaesthetic or anodyne and an anhidrotic. Being rapidly absorbed into the blood, it exercises a long and highly important series of actions on nearly every part and function of the nervous system.
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  • Orphenadrine acts in the central nervous system (CNS) to produce its muscle relaxant effects.
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  • Sensory neurones: Nerve cells within the nervous system responsible for converting external stimuli from the organism 's environment into internal electrical impulses.
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  • Studentship information Principal interests: Regulation of gene expression with particular emphasis on the nervous system.
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  • Crucial to this process is a protein called the NMDA receptor, which sits at synapses in the central nervous system.
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  • Because aspirin blocks the synthesis of prostaglandins, it acts within the damaged tissue itself rather than on the nervous system.
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  • He 's had syphilis of the central nervous system.
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  • CART-derived peptides reduce food intake when injected into the third cerebral ventricle, and probably have several other functions within the central nervous system.
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  • An uncommon complication of the disorder is central nervous system invasion.
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  • Many upswings in strength are actually the result of alterations in the way the muscle is controlled by the NERVOUS SYSTEM.
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  • Other vasodilators There are still many alternative treatments available, for example, drugs acting on the central nervous system.
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  • Lifting free weights improves your coordination by improving the neuromuscular pathways that connect your muscles to the central nervous system.
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  • Smoke is believed to interfere with an infant's nervous system and breathing.
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  • Brain development-With the introduction of DHA fortified baby food in 2002, many baby foods saw the addition of docosahexaenoic acid, which is considered an important building block to the central nervous system.
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  • Purring relies on three basic components of the cat's body: anatomy, nervous system response and muscle activity.
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  • When the nervous system suffers from a nutrient deficiency, the body's involuntary and voluntary mechanisms may suffer in both humans and animals.
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  • In children, some cleaning product ingredients have been linked to behavior issues and damage to the central nervous system.
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  • Chronic exposure to Styrene leads to further complications including affects on the nervous system.
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  • Some of the side effects of internal consumption are diarrhea, damaged immune system and in some cases, excessive drowsiness, confusion, coma and even fatality from depression of the central nervous system.
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  • There's some evidence that valerian works with the neurotransmitter GABA in the central nervous system.
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  • As the massage therapist kneads the skin and the underlying muscles and soft tissue, the movements simulate the central nervous system to release certain hormones.
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  • Valerian helps calm your nervous system and can make you feel calm, which can aid in sleep.
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  • This stress hormone increases the heart rate and blood pressure and has other effects on the brain and nervous system.
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  • The most commonly prescribed type of anti-anxiety drug, benzodiazepines work by slowing down the body's central nervous system and brain activity.
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  • This is often the case during times of high stress when the nervous system works on overtime.
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  • Vitamin B 12 helps regulate the central nervous system and brain functions, as well as the creation of new blood cells.
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  • Vitamin B12 benefits include the formation of red blood cells and the normal development and function of the nervous system.
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  • Moreover, the B vitamins are essential to the well-being of the human nervous system.
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  • It affects the central nervous system and increases activity in the brain.
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  • Alcohol depresses the normal functions of the nervous system.
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  • Caffeine works by stimulating the central nervous system.
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  • These drugs, as identified by the NIDA, are opioids, central nervous system depressants (CNS), and stimulants.
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  • Some of the medications doctors may prescribe are benzodiazepines, anti-seizure medications, anti-psychotic drugs, and beta-blockers.Benzodiazepines are a central nervous system depressant.
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  • Nicotine can also create a calming effect, depending on the makeup of a person's central nervous system.
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  • Some people disagree though, because in too-large amounts ginger can suppress the central nervous system causing health issues.
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  • SSRI medications block the reuptake of serotonin into the nerve terminal of your central nervous system which in turn prevents SAD symptoms.
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  • The canine nervous system is a quite complex part of the canine anatomy.
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  • Central Nervous System: The central nervous system is made up of the spinal cord, the brain stem and the brain.
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  • This part of the nervous system carries the initial impulses from the brain to other parts of the nervous system.
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  • Autonomic Nervous System; The autonomic nervous system is the set of involuntary nerves that controls body functions such as respiration and heartbeat.
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  • Selamectin is among a family of vermicedes and kills the heartworm by disrupting its nervous system.
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  • The 3 n 1 and Insect Control both contain a natural extract from chrysanthemum flowers that disrupts the pest's nervous system.
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  • These products control fleas by attacking the nervous system of the pests.
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  • This is a rare medical condition where the affected individual's own nervous system goes into overdrive and starts attacking the nerve cells.
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  • Snoring may occur because the muscles in the neck and jaw are too relaxed and the central nervous system is depressed.
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  • Sleep medication has similar depressive effects on the nervous system and muscular system as experienced with alcohol.
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  • Then, it crosses the blood to brain barrier, entering the central nervous system.
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  • Eventually, when the disease enters its advanced stage, it has entered the central nervous system.
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  • The disease develops quickly and ultimately enters the central nervous system.
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  • The parasite has entered the central nervous system by crossing over the blood to brain barrier.
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  • The autonomic nervous system is responsible for sending signals to the circulatory system to ensure proper blood circulation and respiration.
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  • Narcolepsy: Unlike hypersomnia, narcolepsy is a chronic disease of the central nervous system.
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  • Attention deficit-hyperactivity disorder involves dysfunction in the central nervous system.
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  • The central nervous system is unable to regulate arousal and self-regulation.
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  • This type of drug affects the central nervous system and brain functioning.
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  • The changes in the nervous system and in the brain make this type of drug particularly troublesome, especially when it comes to dependency and abuse.
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  • The condition involves impairment in the central nervous system that results in involuntary movements, often beginning with tremors and gradually evolving into movements that are more pronounced.
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  • The central nervous system becomes activated and shows signs of movement.
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  • The central nervous system is responsible for the most basic actions throughout the body, some of which include breathing, movement, and the ability to use our senses, including sight, sound, and taste.
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  • The system sends signals from the brain and spinal cord to the different parts of the body-and amazingly, as people sleep, the central nervous system plays a big part in the many sensations that are expereinced in dreams.
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  • It makes sense that not only color, but taste, sounds, and smell would also be part of the dream world since the central nervous system is active as people dream.
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  • Having a disease in the central nervous system.
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  • Myoclonic twitches can also occur during the day, which might be due to damage in the nervous system.
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  • Narcolepsy is a disorder in the nervous system of the body that occurs when fewer amounts of a protein called hypocretin are made in the brain.
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  • Central nervous system-Part of the nervous system consisting of the brain, cranial nerves, and spinal cord.
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  • Neurosurgeon-Physician who performs surgery on the nervous system.
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  • Children with acute ITP who are losing large amounts of blood or bleeding into their central nervous system require emergency treatment.
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  • In rare instances, however, ITP can cause life-threatening hemorrhage or bleeding into the central nervous system.
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  • Another group of poisons interferes with the electrochemical impulses that travel between neurons in the nervous system.
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  • Analgesics work at the level of the nerves, either by blocking the signal from the peripheral nervous system or by distorting the interpretation by the central nervous system.
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  • Neurofibromatosis (NF) is a genetic disease in which multiple soft tumors (neurofibromas) develop under the skin and throughout the nervous system.
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  • Neural crest cells are primitive cells that are present as part of the nervous system during fetal development.
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  • The tumor may also spread to neighboring nervous system structures, causing weakness of the muscles of the face, headache, dizziness, poor balance, and uncoordinated walking.
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  • Diagnosis of NF-2 requires the presence of either a nodule or mass (tumor) on the acoustic nerve or another distinctive nervous system tumor, which may only be identifiable through imaging studies.
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  • Charcot-Marie-Tooth disease (CMT) is the name of a group of inherited disorders of the nerves in the peripheral nervous system.
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  • Peripheral nerves-Nerves outside the brain and spinal cord that provide the link between the body and the central nervous system.
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  • Kernicterus-A potentially lethal disease of newborns caused by excessive accumulation of the bile pigment bilirubin in tissues of the central nervous system.
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  • Central nervous system impairment: This may include encephalitis, calcium deposits in brain tissue, or seizures.
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  • The infection is carried to the infant through the mother's placenta and can cause impairment of the infant's eyes (opthalmic impairment) and central nervous system (neurological dysfunction).
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  • Even with antiviral medication, the mortality rate is still 15 to 20 percent, with 40 to 55 percent of the survivors having long-term damage to the central nervous system.
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  • Key features include symptoms that mimic gastrointestinal obstruction and nervous system abnormalities.
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  • The symptoms implied by this disorder's name include nervous system abnormalities, loss of coordination, and progressive loss of vision.
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  • Some statistics quote one in 200 infections as leading to paralysis, while others state that one in 1,000 cases reach the central nervous system (CNS).
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  • CSF protects the central nervous system from injury, cushions it from the surrounding bone structure, provides it with nutrients, and removes waste products by returning them to the blood.
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  • The purpose of a CSF analysis is to diagnose medical disorders that affect the central nervous system.
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  • About 50 percent of metastatic cancers that infiltrate the central nervous system and about 10 percent of central nervous system tumors will shed cells into the CSF.
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  • Multiple sclerosis-A progressive, autoimmune disease of the central nervous system characterized by damage to the myelin sheath that covers nerves.
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  • The disease affects the central nervous system and causes painful muscle contractions.
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  • A lack of oxygen can cause central nervous system damage in the fetuses that implanted in a less than desirable area.
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  • Baclofen should not be taken with central nervous system depressants or alcohol.
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  • Benzodiazepines, such as diazepam (Valium), clonazepam (Klonopin, Rivotril), and lorazepam (Ativan) reduce spasticity by acting on the central nervous system.
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  • Tizanidine (Zanaflex) reduces spasticity by acting on the central nervous system.
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  • From there, it can penetrate into the bloodstream to the central nervous system and cause meningitis or develop into a full-blown bloodstream infection (meningococcemia).
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  • However, most researchers agree that the chemical transmission of signals in the brain and nervous system are in some way related to PMS.
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  • Food allergies and sensitivities can produce a wide range of symptoms involving the skin, respiratory system, and nervous system.
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  • Birth defects that cause physical deformities of the head, brain, and central nervous system frequently cause mental retardation.
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  • Developmental delay may indicate a problem in development of the central nervous system.
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  • The low muscle tone can be caused by a variety of conditions and is often indicative of the presence of an underlying central nervous system disorder, genetic disorder, or muscle disorder.
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  • Scientists believe that they may be caused by trauma; environmental factors; or by other genetic, muscle, or central nervous system disorders.
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  • A physical examination will be performed, usually including a detailed nervous system and muscle function examination.
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  • Neurologist: a physician who has trained in the diagnosis and treatment of nervous system disorders, including diseases of the brain, spinal cord, nerves, and muscles.
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  • Neurons-Any of the conducting cells of the nervous system that transmit signals.
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  • The nervous system constantly relays information about the body's temperature to the thermostat, which in turn activates different physical responses designed to cool or warm the body, depending on the circumstances.
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  • These tiny worms are quite complex in that they have mouths, throats, gastrointestinal tracts, and a nervous system.
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  • The doctor will ask detailed questions about stress, dieting, sexual activity, and athletic participation, as well as questions about chronic diseases or disorders of the central nervous system.
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  • Stimulant drugs are drugs that excite the central nervous system.
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  • The collection of fatty deposits eventually affects blood vessels in the skin, heart, kidneys, and nervous system.
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  • These fat cells begin to crowd out healthy cells in the liver, spleen, bones, and nervous system.
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  • Symptoms, which are similar to those in type 1, progress rapidly, but also include nervous system damage.
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  • Unlike type 2, the progress of the disease is slower, although it also includes nervous system damage.
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  • This condition, which is also called globoid cell leukodystrophy or Krabbe leukodystrophy, is characterized by acute nervous system degeneration.
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  • Ultimately, the nervous system becomes severely damaged and these patients die.
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  • With types C and D NPD, there is significant nervous system damage leading to severe muscle spasms, seizures, and eventually coma and death.
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  • Symptoms develop in infancy and are due to the accumulation of a fatty acid compound in the nervous system.
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  • In the presence of continued stimulation of nociceptors, changes occur within the nervous system.
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  • These types of pain often arise from some damage to the nervous system (neuropathic).
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  • Phantom limb pain occurs after a limb is amputated; although an individual may be missing the limb, the nervous system continues to perceive pain originating from the area.
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  • Neuron-The fundamental nerve cell of the nervous system.
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  • The herpes virus hides in the nervous system.
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  • A latent virus can wait inside the nervous system for days, months, or even years.
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  • The herpes virus is latent in the nervous system.
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  • Friedreich's ataxia (FA) is an inherited, progressive nervous system disorder causing loss of balance and coordination, speech problems, and heart disease.
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  • Concerning drug therapy, most drugs which act on the nervous system can cause problems in A-T.
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  • Neurodegenerative disease-A disease in which the nervous system progressively and irreversibly deteriorates.
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  • The nervous system (brain, spinal cord, and nerves) is very sensitive to electric shock injury, and neurological problems are the most common consequences suffered by electric shock victims.
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  • Alexander's disease-A progressive, degenerative disorder of the central nervous system.
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  • Chiropractic-A method of treatment based on the interactions of the spine and the nervous system.
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  • Babies born prematurely (before 34 weeks of gestation) usually lack a fully developed central nervous system.
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  • There are two theories regarding the cause of colic, and the first is that it is due to an immature nervous system.
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  • Other causes are head injury, ear infection, allergies, and nervous system disorders.
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  • Vertigo can also be caused by disorders of the central nervous system and the circulatory system, such as hardening of the arteries (arteriosclerosis), stroke, or multiple sclerosis.
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  • Autonomic nervous system-The part of the nervous system that controls so-called involuntary functions, such as heart rate, salivary gland secretion, respiratory function, and pupil dilation.
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  • Narcotics are central nervous system depressants that produce a stuporous state in the person who takes them.
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  • The central nervous system in humans and other mammals contains five different types of opioid receptor proteins, located primarily in the brain, spinal cord, and digestive tract.
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  • Narcotics should never be combined with other types of drugs that depress the central nervous system.
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  • Narcotics can also interact with certain herbal preparations to cause central nervous system depression.
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  • Under normal developmental conditions, these neonatal reflexes represent important reactions of the nervous system and are only observable within a specific period of time over the first few months of life.
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  • Thus, the early movements of the fetus and newborn were previously viewed as passive byproducts of the central nervous system.
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  • They are viewed as interactive and having a reciprocal effect on the underlying central nervous system structure and functioning.
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  • Copper accumulates in the liver, kidney, and brain, resulting in damage to the liver and nervous system.
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  • Continued intake of selenium results in changes in the fingernails, hair loss, and damage to the nervous system.
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  • Retardation can also be caused by damage to the fetus during pregnancy due to alcohol, drug abuse or toxicity, and disorders of the developing nervous system such as hydrocephalus.
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  • Also excluded from CP are any disorders of muscle control that arise in the muscles themselves and/or in the peripheral nervous system (nerves outside the brain and spinal cord).
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  • Accidental overdose of certain medications might also cause similar damage to the central nervous system.
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  • Heparan sulfate is mainly found in the central nervous system and accumulates in the brain when it cannot be broken down because one of those four enzymes is deficient or missing.
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  • Because of the accumulation of heparan sulfate in the central nervous system (CNS), the CNS is severely affected.
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  • Typically, the nervous system or intelligence of an individual with MPS VI is not affected.
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  • This deficit may result, in part, from hydrocephaly and/or infections of the nervous system.
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  • This disturbance can occur in the central nervous system (the brain and spinal cord), the nerve roots that are attached to the spinal cord, or the peripheral nervous system (nerves outside the brain and spinal cord).
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  • Paresthesias can also be caused by central nervous system disturbances, including stroke, transient ischemic attack (TIA), tumor, trauma, multiple sclerosis, or infection.
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  • Peripheral nervous system-The part of the nervous system that is outside the brain and spinal cord.
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  • Monoamine oxidase (MAO) inhibitors-A type of antidepressant that works by blocking the action of a chemical substance known as monoamine oxidase in the nervous system.
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  • Neuroimaging-The use of x-ray studies and magnetic resonance imaging (MRI) to detect abnormalities or trace pathways of nerve activity in the central nervous system.
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  • Tay-Sachs disease is a genetic disorder caused by a missing enzyme that results in the accumulation of a fatty substance in the nervous system.
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  • In general, the porphyrias primarily affect the skin and the nervous system.
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  • The central nervous system may also be involved.
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  • Narcolepsy is a disorder of the nervous system marked by excessive daytime sleepiness, uncontrollable sleep attacks, and cataplexy (a sudden loss of muscle tone, usually lasting up to half an hour).
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  • The central nervous system is still in the process of maturing sufficiently for complex messages from the brain to get to the child's fingers.
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  • Certain mechanisms within the brain and the rest of the central nervous system help regulate contraction.
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  • Possible causes include stroke, multiple sclerosis, cerebral palsy, neurodegenerative diseases, trauma, spinal cord injury, and nervous system poisons such as strychnine, tetanus, and certain insecticides.
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  • The bacteria usually enter the body through a wound and the toxin they produce affects the central nervous system causing painful and often violent muscular contractions.
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  • Tetanus, also called lockjaw, is a serious disease of the nervous system that can cause uncontrolled muscle spasms and death.
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  • These bacteria multiply in areas where there is little oxygen present and produce a toxin that affects the nervous system.
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  • Fourth, the toxin already circulating in the blood must be neutralized so that it causes no further damage to the nervous system.
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  • Some infants who have IUGR develop normally, while others have complications of the nervous system or intellectual problems such as learning disorders.
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  • Tiredness, confusion, and depression can occur from chemotherapy's effect on certain central nervous system functions.
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  • It is a flat tracing and indicates that the baby has sustained a severe assault on its central nervous system.
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  • Neurological disorders-Pathological conditions relating to the brain and/or nervous system.
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  • If the cancer cells have invaded the central nervous system (CNS), chemotherapeutic drugs may be put into the fluid that surrounds the brain through a needle in the brain or back.
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  • Felbamate is similar to the tranquilizer meprobamate (Equanil, Miltown) and may work by blocking the effects of some of the brain chemicals that stimulate the nervous system.
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  • Disorders of the nervous system caused by meningoencephalitis, or inflammation of the brain and its overlying layers of protective tissue.
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  • This specific learning problem is referred to as Turner neurocognitive phenotype and appears to be due to loss of X chromosome genes important for selected aspects of nervous system development.
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  • Above normal levels of phenylalanine are toxic to the cells that make up the nervous system and cause irreversible abnormalities in brain structure and function in PKU patients.
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  • The extensive network of nerves in the brain and the rest of the nervous system are made up of nerve cells.
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  • If left untreated, pernicious anemia leads to nervous system damage.
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  • Less commonly, it may be caused by other types of brain tumors, central nervous system disorders, or adrenal gland problems.
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  • The lungs, digestive system, and nervous system (including the brain) are underdeveloped in premature babies and are particularly vulnerable to complications.
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  • Scientists are not sure about the long-term effects of electrical stimulation on the nervous system.
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  • REM sleep is characterized by extensive central nervous system (CNS) activity with an increase in brain metabolism accompanied by the vivid imagery of dreams.
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  • Sleep disruptions in children are usually a normal symptom of central nervous system development.
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  • Childhood night terrors appear to be a normal physiological process of the immature and developing nervous system.
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  • Some food-borne toxins can affect the nervous system.
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  • Neurological-Relating to the brain and central nervous system.
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  • Neurotoxin-A poison that acts directly on the central nervous system.
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  • Caffeine is a drug that stimulates the central nervous system.
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  • Because caffeine stimulates the nervous system, anyone taking other central nervous system (CNS) stimulants should be careful about using caffeine.
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  • Problems with muscle tone and nervous system abnormalities will affect the development of motor skills, possibly resulting in scoliosis (curvature of the spine) and esotropia (crossed eyes).
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  • Stress-feeling mentally or emotionally tense, troubled, angry or overwhelmed-stimulates colon spasms in people with IBS since there is a close nervous system connection between the brain and the intestines.
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  • Although researchers do not yet understand all of the links between changes in the nervous system and IBS, they point out the similarities between mild digestive upsets and IBS.
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  • Antidepressants work by blocking pain transmission from the nervous system.
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  • Ginger (Zingiber officinale) in its various forms is often used to calm the stomach, and the oils it contains (gingerols and shogaols) appear to relax the intestinal tract in addition to mildly depressing the central nervous system.
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  • Pain is the means by which the peripheral nervous system (PNS) warns the central nervous system (CNS) of injury or potential injury to the body.
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  • Peripheral nervous system (PNS)-The part of the nervous system that is outside the brain and spinal cord.
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  • PNS nerves link the central nervous system with sensory organs, muscles, blood vessels, and glands.
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  • The syndrome is sometimes called abdominal migraine because it may be caused by some of the same mechanisms in the central nervous system that cause migraine headaches.
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  • Weeks 25-28: The fetus reaches approximately 38 cm. (15 in.) in length and weighs approximately 1.2 kg (2 lb. 11 oz.). The next few weeks mark a period of rapid brain and nervous system development.
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  • The rabies virus infects the human nervous system causing acute encephalomyelitis, an inflammation of the brain and spinal cord.
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  • The wound is cleaned thoroughly and, if possible, RIG is injected into the wound and the surrounding tissues to block the virus's entry into the central nervous system.
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  • Potassium-important for a healthy nervous system and a steady heart rate, helps to prevent stroke, and, with sodium, is critical in maintaining fluid balance.
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  • Manganese-essential for metabolizing fat and protein, regulating blood glucose, and supporting immune system and nervous system function.
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  • A physical examination is done with an emphasis on the nervous system and muscle function.
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  • Acetylcholine-A chemical called a neurotransmitter that functions primarily to mediate activity of the nervous system and skeletal muscles.
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  • The most common cause is anxiety, although fever, aspirin overdose, serious infections, stroke, or other diseases of the brain or nervous system.
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  • A 2003 study found that schizophrenia and bipolar disorder could have similar genetic causes that arise from certain problems with genes associated with myelin development in the central nervous system.
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  • MAOIs such as tranylcypromine (Parnate) and phenelzine (Nardil) block the action of monoamine oxidase (MAO), an enzyme in the central nervous system.
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  • MAO inhibitors work by blocking the action of a chemical substance known as monoamine oxidase in the nervous system.
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  • The tricyclics do not act by stimulating the central nervous system or by blocking monoamine oxidase.
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  • Other side effects include dry mouth, constipation, difficulty urinating, blurred vision, sedation, weight gain, central nervous system and cardiovascular toxicity, delirium, and risk of suicide by overdose.
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  • SSRIs interact with a number of other drugs that act on the central nervous system.
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  • Researchers estimate that central nervous system anomalies, congenital brain defects included, occur in approximately 15 of every 10,000 live births.
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  • In its early stages, Lyme disease affects the skin and produces flu-like symptoms; the disease spreads to the joints and nervous system in its later stages.
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  • When symptoms indicate nervous system involvement or a severe episode of Lyme disease, an intravenous antibiotic (ceftriaxone, cefotaxime, ampicillin) may be given for four to six weeks or longer.
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  • Pontrelli. "Central Nervous System Lyme Disease."
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  • The nervous system is affected in 65 percent of patients; 10 percent display symptoms of this, and 2 percent of these cases are fatal.
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  • Reflex tests are simple physical tests of nervous system function.
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  • S., et al. "Effects of epilepsy on autonomic nervous system and respiratory function tests."
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  • Typically, the central nervous system is not completely mature until approximately 32 weeks gestational age, and a report of reactive for gestational age takes this into consideration.
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  • The central nervous system in particular-made up of the brain and spinal cord-is very dependent on a steady oxygen supply and is one of the first organ systems to feel the effects of RDS.
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  • During the late stage of syphilis, the infection has spread to organ systems and may cause blindness, signs of damage to the nervous system and heart, and skin lesions.
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  • Patients with port-wine stains near the eye may need skull x rays, computed tomography scans, and vision and central nervous system tests.
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  • Preparations containing lindane are no longer recommended for treating scabies because of the potential for damage to the nervous system.
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  • The spinal cord and the brain are the two components of the central nervous system (CNS).
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  • These sophisticated electrical and mechanical devices connect with the nervous system to supplement or replace lost motor and sensory functions.
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  • White matter-A substance, composed primarily of myelin fibers, found in the brain and nervous system that protects nerves and allows messages to be sent to and from the brain and various parts of the body.
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  • This cry is characteristic of babies born to crack-addicted mothers and has been linked to abnormalities in the central nervous system.
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  • The most serious complications caused by the exotoxin are inflammations of the heart muscle (myocarditis) and damage to the nervous system.
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  • The symptoms of nervous system involvement can include seeing double (diplopia), painful or difficult swallowing, and slurred speech or loss of voice, which are all indications of the exotoxin's effect on nerve functions.
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  • Persons with diphtheria require bed rest with intensive nursing care, including extra fluids, oxygenation, and monitoring for possible heart problems, airway blockage, or involvement of the nervous system.
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  • Methylphenidate is one of a group of drugs called central nervous system (CNS) stimulants.
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  • A central nervous system stimulant, methylphenidate is also used to control narcolepsy, a condition characterized by an overpowering desire to sleep.
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  • Tizanidine (Zanaflex) acts on the central nervous system.
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  • This information can help pediatricians and child psychologists evaluate the child's nervous system (neurological) functioning and psychological development.
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  • Neuropsychological-Referring to the interaction between the nervous system and cognitive function, the influence of one function on the other.
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  • This condition leads to increased amounts of calcium in the blood, kidney stones, weakened bones, and nervous system depression.
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  • The organism can spread to the blood stream and central nervous system.
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  • Immunocompromised adults are at risk for a serious infection of the blood stream and central nervous system (brain and spinal cord).
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  • Rabies is an acute viral disease of the central nervous system that is transmitted through saliva from the bite of an infected animal.
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  • These conditions progress to anxiety, hallucinations, muscle spasms, partial paralysis, fear of water (hydrophobia), and other neurological symptoms as the virus spreads to the central nervous system.
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  • "Central Nervous System Viral Diseases: Rabies (Hydrophobia)."
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  • Neurotoxic-Refers to a substance that is harmful to the nervous system.
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  • At this stage, which lasts for approximately 10 days, it doesn't have a central nervous system.
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  • Using a substance that works by poisoning the central nervous system will not be effective in killing the louse.
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  • First, the ectoderm cells will develop into sense organs and the nervous system.
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  • The problems can affect metabolism, sensory processing, the brain and nervous system.
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  • Structural problems in the brain and nervous system can interfere with a baby's normal development.
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  • These fats are very important for maintaining brain function, nervous system function and good eyesight.
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  • Vitamin B12 is essential for normal brain and nervous system functioning.
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  • Biotin or vitamin H acts as a catalyst for chemical reactions in the body including those in the skin, intestinal tract, and nervous system.
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  • The neural tube is where the development of the central nervous system occurs, and when it does not properly form and close, the baby may be born with neurological birth defects, known as neural tube defects.
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  • Nerve Damage: Deficiencies of vitamin B12 can damage the nerves that relay information between the central nervous system and the rest of your body.
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  • It means creativity, ideas and enlightenment and is associated with the central nervous system.
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  • Diabetic shoes are defined as footwear created to take into account many of the circulatory and nervous system problems that are caused and exacerbated by diabetes.
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  • Some abnormal behaviors may be attributed to brain dysfunction or problems with the nervous system.
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  • In addition, poor immune function can have a significant impact on the nervous system.
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  • These neurotransmitters control mood and appetite regulated within the central nervous system.
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  • However, they tend to stimulate the nervous system more with caffeine and herbal derivatives.
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  • Some herbs can have serious side effects and should be avoided all together, such as ephedra and fen-phen products, which can significantly increase blood pressure, heart rate, and overall stimulation of central nervous system.
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  • Many vitamins and minerals are implicated in the diet-depression connection, especially the B vitamins, which are directly linked to the nervous system and our mental function.
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  • However, scientists have not determined whether or not Ionamin is strictly an appetite suppressant, or if the central nervous system and/or metabolic pathways are implicated.
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  • The cells do not receive the necessary energy for proper functioning and if the buildup of glucose in the bloodstream continues, health problems may arise that affect the heart, kidneys, nervous system and eyes.
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  • Together, these things speed up your heart rate as well as your nervous system and brain.
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  • The brain controls muscles by sending tiny electrical impulses through your nervous system.
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  • By means of vibrations or shocks transmitted through the - Sub water, or by displacements in the balance or position of the animal, the otoliths are caused to impinge against the bristles of the sensory cells, now on one side, now on the other, causing shocks or stimuli which are transmitted by the basal nerve-fibre to the central nervous system.
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  • n.s, Nervous system.
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  • He defined them as possessing radial instead of bilateral symmetry, and as apparently destitute of nervous system and sense organs, as having the circulatory system rudimentary or absent, and the respiratory organs on or coextensive with the surface of the body; he included under this title and definition five classes, - Echinodermata, Acalepha, Entozoa, Polypi and Infusoria.
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  • Carbolic acid is distinguished from all other acids so-called - except oxalic acid and hydrocyanic acid - in that it is a neurotic poison, having a marked action directly upon the nervous system.
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  • The nervous system is embedded in the epidermis, and the pairs of ganglia are separated as in Serpula, &c.; each pair has a longish commissure between its two ganglia.
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  • - Nervous system of Patella; the visceral loop is lightly shaded; the buccal ganglia are omitted.
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  • - Nervous system of Haliotis; the visceral loop is lightly shaded; the buccal ganglia are omitted.
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  • - Nervous system of after Jhering.) Fissurella.
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  • The histology of the nervous system of Mollusca has yet to be seriously inquired into.
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  • - Nervous system of Paludina as a type of the streptoneurous condition.
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  • The nervous system and sense organs are highly developed.
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  • The detorted visceral commissure shows a tendency to the concentration of all its elements round the oesophagus, so that except in the Bullomorpha and in Aplysia the whole nervous system is aggregated in the cephalic region, either dorsally or ventrally.
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  • Our figure of the nervous system of Aplysia does not give the small pair of buccal ganglia which are, as in all glossophorous Molluscs, present upon the nerves passing from the cerebral region to the odontophore.
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  • - Nervous system of Aplysia, as a type of the longlooped Euthyneurous condition.
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  • - Central Nervous System of Fiona (one of the Nudibranchia), showing a tendency to fusion of the great ganglia.
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  • Visceral commissure reduced; nervous system concentrated on dorsal side of oesophagus.
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  • - Nervous System of the Pond knob - like particle Snail, Limnaeus stagnalis, as a type of the (Neritina and Palu- short-looped euthyneurous condition.
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  • Internal Organs Nervous System.
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  • - The nervous system is ectodermal in origin, and is developed and segmented to a large extent in connexion with the outer part of the body, so that it affords important evidence as to the segmentation thereof.
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  • The continuous layer of cells from which the nervous system is developed undergoes a segmentation analogous with that we have described as occurring in the ventral plate; there is thus formed a pair of contiguous ganglia for each segment of the body, but there is no ganglion for the telson.
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  • The nervous system of the embryonic head exhibits three ganglionic masses, anterior to the thoracic ganglionic masses; these three masses subsequently amalgamate and form the sub-oesophageal ganglion, which supplies the trophal segments.
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  • In front of the three masses that will form the sub-oesophageal ganglion the mass of cells that is to form the nervous system is very large, and projects on each side; this anterior or " brain " mass consists of three lobes (the prot-, deut-, and tritencephalon of Viallanes and others), each of which might be thought to represent a segmental ganglion.
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  • - Morphology of an Insect: the embryo of Gryllotalpa, somewhat diagrammatic. The longitudinal segmented band along the middle line represents the early segmentation of the nervous system and the subsequent median field of each sternite; the lateral transverse unshaded bands are the lateral fields of each segment; the shaded areas indicate the more internally placed mesoderm layer.
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  • Protonemertini, in which there are two layers of dermal muscles, external circular and internal longitudinal; the nervous system lies external to the circular muscles; the mouth lies behind the level of the brain; the proboscis has no stylet; there is no caecum to the intestine.
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  • Mesonemertini, in which the nervous system has passed into the dermal muscles and lies amongst them; other characters as in Protonemertini.
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  • Metanemertini, in which the nervous system lies inside the dermal muscles in the parenchyma; the mouth lies in front of the level of the brain; the proboscis as a ru'e bears stylets; the intestine nearly always has a caecum.
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  • Heteronemertini, in which the dermal musculature is in three layers, an external longitudinal, a middle circular, an internal longitudinal; the nervous system lies between the first and second of these layers; the outer layer of longitudinal muscles is a new development; there is no intestinal caecum; no stylets on the proboscis and the mouth is behind the level of the brain.
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  • The nervous system of Nemertines presents several interesting peculiarities.
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  • In addition to the nerves starting from the brain-lobes just now especially mentioned, there is a double apparatus which can hardly be treated of in conjunction with the sense organs, because its sensory functions have not been sufficiently made out, and which will therefore rather be considered along with the brain and central nervous system.
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  • xx.; Id., " The Peripheral Nervous System of the Palaeoand Schizonemertini, one of the layers of the Body-wall," Quart.
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  • The nervous system is represented by an oesophageal collar and a suboesophageal ganglion, whence paired nerves pass outwards to innervate the anterior extremity and backwards towards its posterior end.
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  • The central ganglion of the nervous system lies in the proboscissheath or -septum.
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  • Instinctive behaviour thus depends solely on how the nervous system has been built through heredity; while intelligent behaviour depends also on those characters of the nervous system which have been acquired under the modifying influence of individual relation to the environment.
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  • Do they originate through the natural selection of those variations which are the more adaptive; or do they originate through the inheritance of those acquired modifications which are impressed on the nervous system in the course of individual and intelligent use ?
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  • The nervous system is thus essentially epidermal in position and diffuse in distribution; but an interesting concentration of nerve-cells and fibres has taken place in the collar-region, where a medullary tube, closed in from the outside, opens in front and behind by anterior and posterior neuropores.
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  • The nervous system of BrachioDiagram showing the muscular pods has, as a rule: maintained system.
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  • There is a special marginal nerve running round the edge of the mantle, but the connexion of this with the rest of the nervous system is not clear; probably it is merely another concentration of the diffused sub-ectodermal nervous fibrils.
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  • - Diagram of nervous system of Crania; from the dorsal side.
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  • Taken internally aconite acts very notably on the circulation, the respiration and the nervous system.
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  • Intense application during early youth had weakened a constitution never robust, and led to accesses of feverish exaltation culminating, in the spring of 1761, in an attack of bilious hypochondria, which permanently lowered the tone of his nervous system.
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  • It has been argued that the elaborate structural adaptations of the nervous system which are the corporeal correlatives of Theory complicated instincts must have been slowly built up by the transmission to offspring of acquired ex perience, that is to say, of acquired brain structure.
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  • At no time has so much been done to advance our knowledge of diseases of the nervous system as during the last thirty years of the 19th century.
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  • IV.), that of " sclerosis " is used when such a deposition of fibrous tissue occurs within the central nervous system.
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  • When, leaving the infections, we look for evidence of progress in our knowledge of more or less local diseases, we may begin with the nervous system.
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  • Not, however, all diseases of the nervous system conduct themselves on these definite paths, for some of them pay no attention to the geography of structure, but, as one may say, blunder indiscriminately among the several parts; others, again, pick out particular parts definitely enough, but not parts immediately continuous, or even contiguous.
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  • Thus, arguing inversely, we may learn something of the respective natures of these influences and of the way in which the nervous system is affected secondarily.
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  • Many other diseases formerly regarded as primarily diseases of the nervous system are not such; but, by means of agents either introduced into the body or modified there, establish themselves after the affinities of these in contiguous associated parts of the structure, as in vascular, membranous or connective elements, or again in distant and peripheral parts; the perturbations of nervous function being secondary and consequential.
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  • Outline of the ventral surface to show the external apertures and nervous system; a, rosette-organ; b, uterine pore; c, terminal sucker; e, vaginal pore; g, male gonopore; n, o, p, nervous system.
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  • The nervous system consists of a ring below the suckers and of a large number of radially arranged tracts running forwards and backwards.
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  • The nervous system is, however, not segmented, and the excretory system is continuous throughout the worm.
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  • It appears to be primarily related to the organs of attachment and to have attained greater elaboration than the rest of the nervous system because the proximal end is the most specialized and most stimulated portion of the worm.
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  • Lastly the nervous system is well developed and consists of a pair of well-marked and interconnected ganglia placed near the anterior end and dorsal to the oesophagus.
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  • Eye-spots are general and the nervous system maintains a primitive diffused condition.
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  • A, Dorsal view showing the nervous system and digestive system; a, mouth; b, pharynx; c, d, e, gut; E, post-genital union of two limbs of gut; f, excretory pore; g, vaginal pore; h, j, k, brain and nerves; 1, dorsal nerves; m, ventral nerves; n, adoral sucker; o, posterior sucker; p, hooks on posterior sucker; r, vitello-intestinal duct.
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  • They are usually found in the alimentary canal or its appendages but occasionally work their way into the serous cavities, nervous system and blood vessels.
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  • The polypide consists of a "lophophore" bearing a series of ciliated tentacles by which Diatoms and other microscopic bodies are collected as food, of a U-shaped alimentary canal, and of a central nervous system.
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  • The central nervous system (x) is highly developed, and in Loxosoma bears a pair o` eyes.
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  • According to Sir Thomas Fraser nothing else can compete with alcohol as a food in desperate febrile cases, and to this use must be added its antipyretic power already explained and its action as a soporific. During its administration in febrile cases the drug must be most carefully watched, as its action may prove deleterious to the nervous system and the circulation in certain classes of patient.
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  • intoxication), chronic alcoholism, delirium tremens, and all the countless pathological changes - extending to every tissue but the bones, and especially marked in the nervous system - which alcohol produces.
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  • Its especial affinity for the nervous system is indicated by the fact that, when all traces of it have disappeared elsewhere, it can still be detected with ease in the cerebro-spinal fluid.
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  • The nervous system consists of a ganglion or brain, which lies dorsally about the level of the junction of the pharynx and the stomach, a nerve ring and a segmented neutral cord.
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  • For nervous system H.
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  • In the nervous system the concentration of the trunk ganglia After Marlatt, Bull.
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  • No organs of circulation or respiration are known; but the nervous system is well developed, and consists of a pair of ganglia corresponding with the limbs and connected by longitudinal commissural chords.
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