thymus-dependent area

thymus-dependent area
any of the areas of the peripheral lymphoid organs populated by T lymphocytes, e.g., the periarteriolar lymphatic sheath in the spleen, the paracortex in lymph nodes, and the parafollicular areas of gut-associated lymphoid tissue. Called also paracortex, T-dependent a., and tertiary cortex.

Medical dictionary. 2011.

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  • T-dependent area — thymus dependent a …   Medical dictionary

  • thymus-independent area — any of the areas of the peripheral lymphoid organs populated by B lymphocytes, e.g., the lymph nodules (lymphoid follicles) of the spleen, lymph nodes, and gut associated lymphoid tissue. Called also B dependent a. and T independent a …   Medical dictionary

  • thymus-dependent — thy·mus de·pen·dent (thi″məs de penґdənt) pertaining to T lymphocytes (see under lymphocyte). See also under area …   Medical dictionary

  • thymus-dependent zone — see under area …   Medical dictionary

  • B-dependent area — thymus independent a …   Medical dictionary

  • tertiary cortex — thymus dependent area …   Medical dictionary

  • paracortex — The area of a lymph node between the subcapsular cortex and the medullary cords; it contains mostly the long lived lymphocytes derived from the thymus. SYN: deep cortex, tertiary cortex, thymus dependent zone. * * * para·cor·tex (par″ə …   Medical dictionary

  • paracortex — Mid cortical region of lymph node; area that is particularly depleted of T lymphocytes in thymectomised animals, and is referred to as the thymus dependent area …   Dictionary of molecular biology

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  • factor — 1. One of the contributing causes in any action. 2. One of the components that by multiplication makes up a number or expression. 3. SYN: gene. 4. A vitamin or other essential element. 5. An event, characteristic, or other definable entity that …   Medical dictionary

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