thymic aplasia

thymic aplasia
failure of development of the thymus. This was formerly thought to predispose to hypersensitivity reactions and to infection and so to death in childhood (see status lymphaticus), a concept no longer held.

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absence of the thymus gland, as in DiGeorge syndrome.

Medical dictionary. 2011.

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  • thymic aplasia — (= hypoplasia) A lack of T lymphocytes, due to failure of the thymus to develop, resulting in very reduced cell mediated immunity though serum immunoglobulin levels may be normal. See also DiGeorge syndrome …   Dictionary of molecular biology

  • thymic aplasia — failure of development of the thymus. This was formerly thought to predispose to hypersensitivity reactions and to infection and so to death in childhood (see status lymphaticus), a concept no longer held …   The new mediacal dictionary

  • Aplasia — (Greek: a not; plésein to form) is defective development resulting in the absence of all or part of an organ.Examples*Aplastic anemia *Acquired pure red cell aplasia *Thymic aplasiaee also*Atrophy *Hyperplasia *Hypoplasia *Neoplasia …   Wikipedia

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  • thymic-parathyroid aplasia — DiGeorge syndrome …   Medical dictionary

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  • DiGeorge syndrome — 22q11.2 deletion syndrome Classification and external resources Brain computer tomography cuts of t …   Wikipedia

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  • List of diseases (T) — A list of diseases in the English wikipedia.DiseasesTOC T Tc* T cell immunodeficiency primary * Tabatznik syndrome * Tachycardia * Taeniasis * Takayasu arteritis * Talipes equinovarus * Tamari Goodman syndrome * Tang Hsi Ryu syndrome * Tangier… …   Wikipedia

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