thymus(redirected from persistent hyperplastic thymus)
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n. pl. thy·mus·es
1. A small glandular organ that is situated behind the top of the breastbone, consisting mainly of lymphatic tissue and serving as the site of T cell differentiation. The thymus increases gradually in size and activity until puberty, after which it begins to atrophy.
2. A similar structure in other vertebrate animals.
[New Latin, from Greek thumos, warty excrescence, thymus.]
n, pl -muses or -mi (-maɪ)
(Physiology) a glandular organ of vertebrates, consisting in man of two lobes situated below the thyroid. In early life it produces lymphocytes and is thought to influence certain immunological responses. It atrophies with age and is almost nonexistent in the adult
[C17: from New Latin, from Greek thumos sweetbread]
n., pl. -mus•es, -mi (-mī).
a ductless, butterfly-shaped gland lying at the base of the neck, formed mostly of lymphatic tissue and aiding in the production of T cells of the immune system: after puberty, the lymphatic tissue gradually degenerates. Also called thy′mus gland`.
[1685–95; < New Latin < Greek thýmos]
An organ in vertebrate animals located behind the top of the sternum (breastbone) where lymphocytes called T cells develop. In humans, the thymus stops growing in early childhood and gradually shrinks in size through adulthood.
A lymphoid endocrine gland in the chest involved in immunity.
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|Noun||1.||Thymus - large genus of Old World mints: thyme|
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
family Labiatae, family Lamiaceae, Labiatae, Lamiaceae, mint family - a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary
thyme - any of various mints of the genus Thymus
|2.||thymus - a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age|
ductless gland, endocrine gland, endocrine - any of the glands of the endocrine system that secrete hormones directly into the bloodstream
immune system - a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response
thymus[ˈθaɪməs] N (thymuses, thymi (pl)) [ˈθaɪmaɪ] → timo m
n. timo, glándula situada en la parte inferior del cuello y anterosuperior de la cavidad torácica que desempeña un papel de importancia en la función inmunológica.