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pituitary

pituitary

pituitary Sentence Examples

  • The pituitary body probably subserves a like purpose.

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  • And on the influence of these inconspicuous bodies and of the pituitary body in sustaining arterial blood pressures physiologists have thrown some important light.

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  • Precocious Puberty Causes and Symptoms Puberty begins when the brain secretes a hormone that triggers the pituitary gland to release gonadotropins, which in turn stimulate the ovaries or testes to produce sex hormones.

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  • Acromegaly is a disorder in which the abnormal release of a particular chemical from the pituitary gland in the brain causes increased growth in bone and soft tissue, as well as a variety of other disturbances throughout the body.

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  • Less often, hypothyroidism develops when the pituitary gland fails and does not release enough thyroid-stimulating hormone (TSH), which stimulates the thyroid to produce and secrete normal amounts of T4 and T3.

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  • The pituitary also produces ACTH and growth hormone, which have significant metabolic effects.

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  • A petrosal: peripheral ratio of 2, indicating excess ACTH from the pituitary, is necessary to diagnose Cushing's disease with confidence.

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  • The hormone ACTH is naturally produced by the body from the head hormone gland called the pituitary.

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  • The pituitary gland is invaded with a slow growing cancer called an adenoma.

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  • The groups of pituitary adenomas which fail to produce one or more hormones are called non-functioning pituitary adenomas.

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  • This continually growth is caused by the release of excess growth hormone (somatotrophin) due to growth hormone secreting pituitary adenomas.

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  • METHODS: A total of 37 pituitary adenomas were analyzed.

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  • The majority of large prolactin-secreting pituitary adenomas shrink in response to DA drug therapy and any visual loss will improve in most patients.

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  • AB - An acromegalic patient with a pituitary somatotroph adenoma associated with an extremely elevated plasma GHRH concentration is presented.

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  • The release of CRH triggers the pituitary gland's discharge of adrenocorticotropic hormone, which in turn stimulates the adrenal gland to secrete cortisol.

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  • anterior pituitary makes up 75% of the total weight of the pituitary.

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  • If he had been contacted he might have considered pituitary apoplexy.

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  • basophil adenomas of the pituitary and their clinical manifestations.

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  • brain activated during an infection e.g. pituitary gland secreting hormones during an infection.

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  • calcifyniopharyngioma is made of solid tissue, cysts and calcified nodules and occupies the space within and above the pituitary gland.

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  • Oxytocin A hormone, produced by the pituitary gland, which stimulates contraction of the uterus.

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  • The pituitary gland regulates adrenal cortisol production by responding to the amount of cortisol production by responding to the amount of cortisol in the blood.

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  • Granulomas in the hypothalamus or posterior pituitary can cause diabetes insipidus.

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  • This paper will concentrate on basic physiology of the principle endocrine glands, the pituitary, thyroid, and adrenal glands.

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  • follicle Stimulating Hormone FSH is produced by the pituitary gland and acts on the ovaries to stimulate follicle growth.

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  • By doing so the ovaries communicate back to the pituitary gland that the egg follicles have been stimulated and FSH production slows down.

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  • The condition, pituitary giantism, makes growth continue after most people stop developing.

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  • The pituitary gland is a gland found at the back of our heads toward the bottom of the brain.

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  • This hormone is secreted by the pituitary gland and monitored by thyrotropin-releasing hormone (TRH ), which is produced in the hypothalamus gland.

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  • glandular cells of the anterior pituitary to regulate their secretion.

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  • glucagons test checks how effectively the pituitary gland is regulating the release of GH and cortisol.

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  • growth hormone release from the anterior pituitary is under the control of two hypothalamic hormones.

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  • Growth hormone is synthesized in a transformed murine cell line that has been modified by the addition of the gene for pituitary growth hormone is synthesized in a transformed murine cell line that has been modified by the addition of the gene for pituitary growth hormone.

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  • growth hormone release from the anterior pituitary is under the control of two hypothalamic hormones.

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  • Luteinising hormone (LH) is produced by the pituitary gland in the brain.

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  • They are already receiving full replacement with other deficient pituitary hormones.

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  • Growth hormone (GH) - A peptide hormone secreted by the anterior pituitary that stimulates body growth.

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  • Within the brain, the hypothalamus produces gonadotrophin-releasing hormone (GnRH) which is secreted into the pituitary gland (1 ).

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  • He studied pituitary function and in 1886 performed the first successful experimental hypophysectomy.

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  • They are controlled by the pituitary gland, which is controlled by the hypothalamus.

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  • hypothyroidism results from an underproduction of thyroid hormones from the thyroid caused by deficient TSH stimulation by the pituitary.

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  • MEN I typically affects parathyroid, the pancreas, and the pituitary while MEN IIa and men I typically affects parathyroid, the pancreas, and the pituitary while MEN IIa and MEN IIb are associated with medullary thyroid carcinoma.

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  • murine cell line that has been modified by the addition of the gene for pituitary growth hormone.

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  • Growth Hormone (GH) - A peptide hormone secreted by the anterior pituitary that stimulates body growth.

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  • There are 6 major hormones produced by the anterior pituitary, which can be grouped according to structure.

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  • Nerve impulses from the hypothalamus stimulate the posterior pituitary to produce ADH when the osmotic pressure of the blood rises.

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  • Hormonal effects can be caused either by damage to the pituitary gland itself or to the hypothalamus, which controls the pituitary.

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  • Rarely, patients are affected by conditions that destroy the pituitary.

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  • Iron is deposited in many parts of the body including the pituitary.

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  • The anterior pituitary makes up 75% of the total weight of the pituitary.

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  • Cells from part of the brain grow downwards to form the posterior pituitary.

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  • The tumor may prevent the normal pituitary from being able to secrete the hormones that control menstruation and fertility.

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  • Recipients of human pituitary derived extracts such as growth hormone or gonadotrophins.

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  • pituitary gland is a gland found at the back of our heads toward the bottom of the brain.

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  • pituitary adenomas were analyzed.

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  • pituitary tumors in the brain.

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  • pituitary apoplexy.

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  • pituitary hormones.

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  • pituitary tumor.

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  • Electron microscopy experiments have been carried out on sections of rat pituitary gland.

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  • posterior pituitary.

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  • Of all the pituitary endocrine cell types the cells which produce the hormone prolactin are the most highly plastic cell population.

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  • When present these are usually due to a small (2mm) tumor that is secreting excess prolactin in the pituitary gland.

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  • secreted by the anterior pituitary that stimulates body growth.

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  • secreted by the posterior pituitary is determined by sensors in the brain which monitor the concentration of the blood.

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  • The portal vessels run down the pituitary stalk (infundibulum) to arrive at the pituitary gland.

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  • This effect is direct and not mediated by pituitary thyrotropin (thyroid stimulating hormone ).

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  • There was concern about the use of brain, neural and lymphoid tissue and pituitary.

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  • The pituitary body probably subserves a like purpose.

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  • And on the influence of these inconspicuous bodies and of the pituitary body in sustaining arterial blood pressures physiologists have thrown some important light.

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  • of suprarenal capsule in Addison's disease, of bone marrow in pernicious anaemia, of thymus and suprarenal capsule in exophthalmic goitre, of kidney in renal disease, and of pituitary body in acromegaly.

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  • The amount of ADH secreted by the posterior pituitary is determined by sensors in the brain which monitor the concentration of the blood.

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  • The portal vessels run down the pituitary stalk (infundibulum) to arrive at the pituitary gland.

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  • This effect is direct and not mediated by pituitary thyrotropin (thyroid stimulating hormone).

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  • Anterior pituitary hormone deficiency: renders results meaningless as, in particular, steroid and thyroxine deficiencies impair excretion of a free water load.

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  • There was concern about the use of brain, neural and lymphoid tissue and pituitary.

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  • Some mothers, due to pituitary disorders, hormonal problems or other unexplained causes will not produce enough milk right from the start.

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  • The pituitary gland is a pea-sized gland found at the base of the brain.

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  • The pituitary gland found in the brain increases a follicle stimulating hormone known as FSH.

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  • Your brain is releasing a hormone that travels to the pituitary gland where more hormones release.

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  • Gonadotropin-releasing hormone is released by the hypothalamus in the brain, where it moves to the pituitary gland.

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  • The endocrine system is made up of the thyroid gland, parathyroid gland, pituitary gland, the adrenal glands and part of the pancreas.

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  • When progesterone levels rise, so does the pituitary gland's production of lutenizing hormone, and this triggers ovulation during which the eggs are released for fertilization.

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  • Under abnormal conditions these cells affect skin, bone, and the pituitary gland as well as the lungs, intestines, liver, spleen, bone marrow, and brain.

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  • Pituitary gland-The most important of the endocrine glands (glands that release hormones directly into the bloodstream), the pituitary is located at the base of the brain.

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  • Human growth hormone (hGH) (somatotropin) is produced by somatotropes in the anterior pituitary gland.

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  • Somatotropin (hGH) is secreted by somatotropes in the anterior pituitary gland.

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  • Because of its critical role in producing hGH and other hormones, a dysfunctional pituitary gland will often lead to altered growth.

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  • The somatotropin test also aids in documenting the excess hGH production responsible for gigantism or acromegaly, and confirms underactivity or overproduction of the pituitary gland (hypopituitarism or hyperpituitarism, respectively).

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  • The somatomedin C test is usually ordered to help detect pituitary abnormalities, hGH deficiency, and acromegaly.

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  • If such stimulation is unsuccessful, a malfunction of the anterior pituitary gland is likely.

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  • This approach is believed to be more accurate and specific for hGH deficiency caused by the pituitary.

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  • In a child with excessive hGH levels, failure of suppression indicates anterior pituitary dysfunction and confirms a diagnosis of gigantism (or acromegaly).

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  • Gigantism-Excessive growth, especially in height, resulting from overproduction of growth hormone during childhood or adolescence by a pituitary tumor.

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  • Untreated, the tumor eventually destroys the pituitary gland, resulting in death during early adulthood.

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  • Pituitary gland-The most important of the endocrine glands (glands that release hormones directly into the bloodstream), the pituitary is located at the base of the brain.

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  • DeGroot, Leslie, et al. Hormone Action, Pituitary Growth, and Maturation, Immunology, Nutrition, Diabetes Mellitus.

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  • Normal menstrual periods are the result of proper functioning and synchronization of the hypothalamus, pituitary gland, and ovaries.

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  • The hypothalamus also secretes hormones that regulate the pituitary gland.

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  • The pituitary gland in turn produces hormones that stimulate the ovaries to secrete two hormones known as estradiol and progesterone.

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  • The hypothalamus and pituitary may fail to produce enough hormone to stimulate the ovaries to produce their hormones.

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  • Disorders of the hypothalamus or the pituitary gland: These problems may be associated with brain tumors.

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  • In some cases the doctor may order an MRI to rule out tumors affecting the hypothalamus or pituitary gland.

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  • Tumors of the hypothalamus and the pituitary gland or abnormalities of the reproductive organs usually require surgery.

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  • Glandular therapy can assist in bringing about a balance in the glands involved in the reproductive cycle, including the hypothalmus, pituitary, thyroid, ovarian, and adrenal glands.

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  • The word pituitary refers to the pituitary gland, which regulates the production of certain chemicals called hormones.

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  • Therefore, pituitary dwarfism is decreased bodily growth due primarily to hormonal problems.

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  • Pituitary dwarfism is caused by problems arising from the pituitary gland.

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  • The pituitary gland, also called the hypophysis, is a gland at the base of the brain that produces many different hormones.

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  • The posterior pituitary gland only produces two hormones: antidiuretic hormone (vasopressin) and oxytocin.

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  • When the hypothalamus releases growth hormone-releasing hormone (GHRH), the anterior pituitary is stimulated to release growth hormone (GH).

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  • At its most basic, pituitary dwarfism results from decreased production of hormones by the anterior pituitary.

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  • When none of the hormones of the anterior pituitary are adequately produced, this is called panhypopituitarism.

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  • A common form of pituitary dwarfism is due to deficiencies in the production of growth hormone (GH).

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  • There appears to be no racial or ethnic component to pituitary dwarfism, but males seem to be afflicted more than females.

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  • The symptom, however, that all children with pituitary dwarfism share is that they do not grow at the same rate as their peers.

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  • Until 1985, growth hormone was obtained from the pituitary glands of human cadavers.

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  • A careful balancing of all of the hormones produced by the pituitary gland is necessary for patients with panhypopituitarism, making this form of dwarfism complex and difficult to manage.

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  • There is no known way to prevent pituitary dwarfism, although in some cases it may be caused by traumatic injury to the pituitary gland.

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  • Engaging in safe behaviors may reduce the risk of injury-induced pituitary deficiencies.

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  • Children with pituitary dwarfism are smaller than other children, but they are just as smart and can lead long, healthy lives.

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  • It is important for parents not to expect less of their child with pituitary dwarfism simply because the child looks younger than he or she actually is.

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  • Adrenocorticotropic hormone (ACTH)-Also called adrenocorticotropin or corticotropin, this hormone is produced by the pituitary gland to stimulate the adrenal cortex to release various corticosteroid hormones.

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  • Craniopharyngioma-A tumor near the pituitary gland in the craniopharyngeal canal that often results in intracranial pressure.

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  • Deprivational dwarfism-A condition where emotional disturbances are associated with growth failure and abnormalities of pituitary function.

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  • Follicle-stimulating hormone (FSH)-A pituitary hormone that in females stimulates the ovary to mature egg capsules (follicles) and in males stimulates sperm production.

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  • Luteinizing hormone-A hormone secreted by the pituitary gland that regulates the menstrual cycle and triggers ovulation in females.

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  • Panhypopituitarism-Generalized decrease of all of the anterior pituitary hormones.

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  • Thyroid-stimulating hormone (TSH)-A hormone produce by the pituitary gland that stimulates the thyroid gland to produce the hormones that regulate metabolism.

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  • Gigantism-Excessive growth, especially in height, resulting from overproduction of growth hormone during childhood or adolescence by a pituitary tumor.

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  • Untreated, the tumor eventually destroys the pituitary gland, resulting in death during early adulthood.

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  • The four most common causes of dwarfism in children are achondroplasia, Turner syndrome, inadequate pituitary function (pituitary dwarfism), and lack of emotional or physical nurturance.

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  • Pituitary dwarfism is a result of growth hormone deficiency.

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  • There appears to be no racial or ethnic component to pituitary dwarfism, but males seem to be afflicted more often than females.

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  • Growth can be impaired by conditions affecting the pituitary, thyroid, parathyroid, and adrenal glands (all part of the endocrine system).

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  • Probably the best known of these conditions is growth hormone deficiency, which is associated with the pituitary and hypothalamus glands.

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  • Pituitary dwarfism can be diagnosed with blood tests for growth hormones or MRI of the head.

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  • Growth hormone for therapeutic purposes was originally derived from the pituitary glands of deceased persons.

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  • See also Pituitary dwarfism; Turner syndrome.

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  • An adult whose heart, kidneys, and pituitary gland are functioning properly would have to drink more than two gallons of water a day to develop water intoxication.

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  • This variation is normal and is usually the result of imperfect coordination between the hypothalamus, the pituitary gland, and the ovaries.

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  • Oligomenorrhea that occurs in adolescents is often caused by immaturity or lack of synchronization between the hypothalamus, pituitary gland, and ovaries.

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  • The hypothalamus also secretes hormones that regulate the pituitary gland.

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  • The pituitary gland is then stimulated to produce hormones that affect growth and reproduction.

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  • In a few cases the doctor may order an MRI to rule out tumors affecting the hypothalamus or pituitary gland.

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  • Glandular therapy can assist in bringing about a balance in the glands involved in the reproductive cycle, including the hypothalamus, pituitary, thyroid, ovarian, and adrenal glands.

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  • The parts of the body involved in the menstrual cycle include the uterus and cervix, the ovaries, fallopian tubes, the brain and pituitary gland, and the vagina.

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  • Puberty is initiated by hormonal changes triggered by a part of the brain called the hypothalamus, which stimulates the pituitary gland, which in turn activates other glands as well.

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  • Beginning as early as age eight in girls-and two years later, on average, in boys-the hypothalamus signals hormonal change that stimulates the pituitary.

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  • In turn, the pituitary releases its own hormones called gonadotrophins that stimulate the gonads and adrenals.

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  • If the pituitary output is inadequate, so will be the output from the gonads and adrenals.

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  • By contrast, a normal pituitary overproduces if it senses there are not enough hormones in the circulation.

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  • Pituitary gland-The most important of the endocrine glands (glands that release hormones directly into the bloodstream), the pituitary is located at the base of the brain.

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  • Acromegaly is a disease in which an abnormality in the pituitary gland leads to an oversecretion of growth hormone.

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  • This chemical released from the pituitary gland is called growth hormone (GH).

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  • The pituitary is a small gland located at the base of the brain, which releases certain hormones that are important to the functioning of other organs or body systems.

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  • The pituitary hormones travel throughout the body and are involved in a large number of activities, including the regulation of growth and reproductive functions.

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  • The cause of acromegaly can be traced to the pituitary's production of GH.

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  • Under normal conditions, the pituitary receives input from another brain structure, the hypothalamus, located at the base of the brain.

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  • This input from the hypothalamus regulates the pituitary's release of hormones.

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  • For example, the hypothalamus produces growth hormone-releasing hormone (GHRH), which directs the pituitary to release GH.

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  • Input from the hypothalamus should also direct the pituitary to stop releasing hormones.

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  • In acromegaly, the pituitary continues to release GH and ignores signals from the hypothalamus.

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  • When the pituitary refuses to stop producing GH, the levels of IGF-1 also reach abnormal peaks.

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  • The most common cause of acromegaly and gigantism is the development of a noncancerous tumor within the pituitary, called a pituitary adenoma.

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  • In the case of pituitary adenomas, the tumor itself is the source of the abnormal release of GH.

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  • As the adenoma grows, it may disrupt other pituitary tissue, interfering with the release of other hormones.

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  • Magnetic resonance imaging (MRI) is useful for viewing the pituitary gland and for identifying and locating an adenoma.

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  • The first step in treatment of acromegaly is removal of all or part of the pituitary adenoma.

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  • Some patients who cannot undergo surgery are treated with radiation therapy to the pituitary in an attempt to shrink the adenoma.

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  • Radiating the pituitary may take up to ten years, however, and may also injure or destroy other normal parts of the pituitary.

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  • Once a pituitary adenoma has been removed, radiotherapy and/or medication may be recommended to prevent a recurrence of the tumor.

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  • Pituitary gland-The most important of the endocrine glands (glands that release hormones directly into the bloodstream), the pituitary is located at the base of the brain.

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  • Pituitary, thyroid, adrenals, ovaries, and testes are all part of the endocrine system.

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  • Pituitary gland-The most important of the endocrine glands (glands that release hormones directly into the bloodstream), the pituitary is located at the base of the brain.

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  • Thyroid-stimulating hormone (TSH)-A hormone produce by the pituitary gland that stimulates the thyroid gland to produce the hormones that regulate metabolism.

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  • Follicle-stimulating hormone (FSH)-A pituitary hormone that in females stimulates the ovary to mature egg capsules (follicles) and in males stimulates sperm production.

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  • Luteinizing hormone-A hormone secreted by the pituitary gland that regulates the menstrual cycle and triggers ovulation in females.

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  • In turn, the production of these hormones is controlled by thyroid-stimulating hormone (TSH) that is produced by the pituitary gland.

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  • Giantism is treated by inhibiting the production of pituitary hormones.

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  • Hypopituitarism can also be caused by damage to the pituitary gland.

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  • They are closely controlled by the pituitary gland.

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  • The pituitary hormones are the same for males and females, but the gonadal hormones are different.

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  • For several reasons, the pituitary gland can fail to produce hormones.

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  • The pituitary used to be removed to treat advanced breast or prostate cancer.

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  • Sometimes the pituitary develops a tumor that destroys it.

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  • Failure of the pituitary is called hypopituitarism and, of course, leaves the gonads with no stimulation to produce hormones.

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  • In the case of the most common pituitary tumor, prolactinoma, there may be a milky breast discharge.

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  • As of the early 2000s, there are accurate blood tests for most of the hormones in the body, including those from the pituitary and even some from the hypothalamus.

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  • Tests may be done that check estrogen levels (women) and testosterone levels (men) as well as FSH levels and LH levels, the pituitary hormones that stimulate the gonads.

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  • If pituitary disease is suspected, a magnetic resonance imaging (MRI) or computerized tomography (CT) scan of the brain may be done.

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  • The anterior pituitary gland and the adrenal glands can also be affected.

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  • Pituitary gland-The most important of the endocrine glands (glands that release hormones directly into the bloodstream), the pituitary is located at the base of the brain.

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  • Pituitary Network Association. 223 East Thousand Oaks Blvd. #320, Thousand Oaks, CA 91360.

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  • It is associated with the pituitary gland, sensitivity and deep feeling.

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  • Additionally, hormonal imbalances of the thyroid and pituitary glands can also affect your metabolism and require medical support.

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  • Check with your doctor if you feel you suffer from disorders of the thyroid or pituitary glands.

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  • The anterior pituitary produces six hormones: growth hormone, adrenocorticotropin (corticotropin), thyroid stimulating hormone (thyrotropin), prolactin, follicle stimulating hormone, and lutenizing hormone.

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  • In cases of tumor, most commonly craniopharyngioma (a tumor near the pituitary gland), children and adolescents may have neurological symptoms such as headaches, vomiting, and problems with vision.

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  • Growth hormone deficiency is present at birth, but since the primary symptoms of pituitary dwarfism are height and growth at a reduced rate, the condition is not diagnosed until later in childhood.

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  • Children with pituitary dwarfism may face thoughtless comments from others on occasion, and the parents' reaction to such comments can strongly determine how the child feels about himself or herself.

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