Phagocytosis sentence example

phagocytosis
  • He also showed that the development of artificial immunity is attended by the appearance of phagocytosis; also, when an anti-serum is injected into an animal, the phagocytes which formerly were indifferent might move towards and destroy the bacteria.
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  • Titus, M. A. (1999) A class VII unconventional myosin is required for phagocytosis.
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  • On reaching the vicinity they leave the blood stream and join in the warfare - many performing their function of phagocytosis (q.v.), others falling victims to the toxins.
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  • As early as six hours after the injury the polymorpho-nuclear leucocytes are seen passing in large numbers from the dilated and congested blood vessels of the tissues at the margin of the wound into the injured zone, where they carry on an active phagocytosis.
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  • Numerous polymorphonuclear leucocytes and a few mononuclear cells, one of which has taken up a leucocyte into its interior (phagocytosis).
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  • But their disintegration is more commonly brought about by " phagocytosis " on the part of the phagocytic cells in the different organs concerned with the function of haemolysis, i.e.
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  • From a pathological point of view the subject of chemiotaxis must be considered along with that of phagocytosis.
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  • The work of Metchnikoff, dating from about 1884, has proved of high importance, his theory of phagocytosis (vide infra) having given a great stimulus to research, and having also contributed to important advances.
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  • Wright and Douglas showed that under these conditions phagocytosis might occur when a small quantity of normal serum was present, whereas it was absent when normal salt solution was substituted for the serum; the latter thus contained substances which made the organisms susceptible to the action of the phagocytosis.
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  • Then as regards natural powers of destroying bacteria, phagocytosis aided by chemiotaxis plays a part, and it can be understood that an animal whose phagocytes are attracted by a particular bacterium will have an advantage over one in which this action is absent.
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  • In the case of the latter animal the serum infective conditions led Metchnikoff to place great p g importance on phagocytosis.
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  • If either of these is wanting or interfered with, phagocytosis will necessarily fail as a means of defence.
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  • Metchnikoff showed that in animals immune to a given organism phagocytosis is present, whereas in susceptible animals it is deficient or absent.
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  • In the light of all the facts, however, especially those contains an opsonin which leads to phagocytosis of the bacillus, and the latter is then destroyed by the leucocytes.
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  • Examples of such regulation are exerted by our novel findings showing glucocorticoids augments phagocytosis whereas elevation of cAMP suppresses phagocytosis of apoptotic cells.
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  • Complement factor is released encouraging polymorphonuclear leukocyte release from bone marrow promoting phagocytosis, which produces heat.
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  • Siberian ginseng has also been shown to suppress cancer cells by enhancing phagocytosis and production of leukocytes.
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  • Killing of micro-organisms by macrophages involves phagocytosis of the organism, followed by the production of oxygen radicals which then kill the phagocytosed organisms.
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  • A diet containing protein which aids phagocytosis, angiogenesis, collagen synthesis and wound remodeling.
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  • Figure 5. Salmonella produces Actin Binding Proteins to induce phagocytosis.
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  • Phagocytosis is an uptake mechanism based on a complex rearrangement of the actin cytoskeleton that delivers large extracellular particles into intracellular vacuoles.
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  • It has, moreover, been noticed that even in cases where phagocytosis exists a greater or less extent of degeneration of the tissue may be observed before phagocytosis occurs.
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  • Even when they have passed through an abrasion in the skin or through the mucous membranes and enter the blood they are met, in some instances, by a toxic action of the blood itself upon them; and in others they are attacked by the white corpuscles, which destroy them, eat them up, and digest them, the process being known as phagocytosis.
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  • By opsonic action is meant the effect which a serum has on bacteria in making them more susceptible to phagocytosis by the white corpuscles of the blood.
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  • They increase in response to bacterial infection and remove and kill bacteria by phagocytosis.
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  • There they show marked phagocytosis, attacking and taking up into their interior and destroying the micro-organisms in large numbers.
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  • The behaviour of certain cells, especially leucocytes, with regard to anti-bacterial sera, the presence of phagocytosis cannot be regarded as the essence of immunity, but rather the evidence of its existence.
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  • Hence the opinion arose that histolysis is a process of phagocytosis.
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  • A further application of the facts of chemiotaxis and phagocytosis has been made by Metchnikoff to the case of Inflammation.
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