- 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-korґteks) [para- + cortex] thymus-dependent area.
Medical dictionary. 2011.
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Paracortex — is the portion of a lymph node immediately surrounding the cortex. Unlike the cortex, which has mostly B cells, the paracortex has mostly T cells. Lymphocytes enter the lymph nodes through specialised high endothelial venules found in the… … Wikipedia
paracórtex — área, dependiente del timo, de un ganglio linfático, situada entre la corteza subcapsular y el cordón medular. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A. 1999 … Diccionario médico
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
lymph node — any of the glandlike masses of tissue in the lymphatic vessels containing cells that become lymphocytes. Also called lymph gland. [1890 95] * * * Small, rounded mass of lymphoid tissue contained in connective tissue. They occur all along… … Universalium
Cortex — The outer portion of an organ. The outer portion of the adrenal gland is called the adrenal cortex; the outer portion of the cerebrum is the cerebral cortex (a key part of the brain); the outer part of the kidney is the renal cortex (it lies just … Medical dictionary
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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… … Medical dictionary
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Lymph node — A Lymph node (] MedullaThere are two named structures in the medulla: * The medullary cords are cords of lymphatic tissue, and include plasma cells and B cells * The medullary sinuses (or sinusoids ) are vessel like spaces separating the… … Wikipedia