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thymus
Book article from: A Dictionary of Biology
thymus An organ, present only in vertebrates...above and in front of the heart. The thymus undergoes progressive shrinkage (involution...cells from the bone marrow migrate to the thymus, attracted by chemotactic factors, and...
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Hewson, William
Dictionary entry from: Complete Dictionary of Scientific Biography
...first to observe the lymphocytes in the thymus and spleen and concluded that their production...x2019; s experiments on the spleen and thymus and in 1777 published his corroboration...1775), 87 – 93, on the thymus and spleen, 1773; and Experimental Inquiries...
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Castaldi, Luigi
Dictionary entry from: Complete Dictionary of Scientific Biography
...biometrical evaluation in man with the study of the weights of thymus glands in relation to age, sex, body weight, and height...lungs, liver, spleen, kidneys, encephalon, thyroid, thymus, adrenals, hypophysis, testes, ovaries) of 300 corpses...
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Levene, Phoebus Aaron Theodor
Dictionary entry from: Complete Dictionary of Scientific Biography
...a Pyrimidine). He was able to show that nucleic acids are high polymers composed of the four nucleotides. Related work on thymus nucleic acid showed a similar composition, but the identity it in 1929, twenty years after the identification of ribose...
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Mall, Franklin Paine
Dictionary entry from: Complete Dictionary of Scientific Biography
...School of Medicine, invited Mall to be its first professor of anatomy. After completing a study of the development of the thymus gland (which, incidentally, contradicted earlier work by His), Mall moved, on the advice of His, to the laboratory of...
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sweetbread
Book article from: The Oxford Pocket Dictionary of Current English
sweet·bread / ˈswētˌbred / • n. the thymus gland (or, rarely, the pancreas) of an animal, esp. as used for food.
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pharangula
Book article from: A Dictionary of Zoology
...gill slits, whilst in most tetrapods these regions give rise to the tympanic membrane , glands associated with the lymphatic system such as the thymus gland, parathyroid gland, carotid bodies, and tonsils. See also BLASTULA ; GASTRULA .
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thym-
Book article from: A Dictionary of Nursing
thym- ( thymo- ) combining form denoting the thymus.
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thymectomy
Book article from: A Dictionary of Nursing
thymectomy (th'y- mek -tŏmi) n. surgical removal of the thymus.
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CATCH-22
Book article from: A Dictionary of Nursing
CATCH-22 n. C ardiac abnormalities, A bnormal facies, T -cell deficiency (from absent thymus), C left palate, H ypocalcaemia, chromosome 22 (in which the defect lies): another name for di George syndrome.
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