helper T lymphocytes

helper T lymphocytes
helper T cells.

Medical dictionary. 2011.

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  • helper factor — A group of factors apparently produced by helper T lymphocytes that act specifically or nonspecifically to transfer T cell help to other classes of lymphocytes. The existence of specific T cell helper factor is uncertain …   Dictionary of molecular biology

  • helper cells — helper T cells differentiated T lymphocytes whose cooperation (help) is required for the production of antibody against most (T dependent) antigens. Activation of B lymphocytes (B cells) requires recognition of the antigenic determinant against… …   Medical dictionary

  • helper T lymphocyte — or helper T cell noun (immunology) A thymus derived lymphocyte which co operates with B lymphocytes to enable them to produce an antibody when stimulated by an antigen • • • Main Entry: ↑help …   Useful english dictionary

  • helper cells — helper cells. = TH lymphocytes (см.). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Lymphocytes — Lymphocyte Un lymphocyte, vu par un microscope électronique à balayage. Les lymphocytes sont des leucocytes qui ont un rôle majeur dans le système immunitaire. En termes de structure et de fonction, on distingue deux lignées lymphocytaires… …   Wikipédia en Français

  • Lymphocytes T — Lymphocyte T Les lymphocytes T, également appelés thymocytes ou cellules T, sont une catégorie de lymphocytes qui jouent un grand rôle dans la réponse immunitaire secondaire. « T » est l abréviation de thymus, l organe dans lequel leur… …   Wikipédia en Français

  • Lymphocytes T4 — Lymphocyte T auxiliaire Les cellules CD4+ (en anglais T Helper), parfois appelés lymphocytes T4 ou plus précisément lymphocytes Th à CD4 positif, sont un type original différencié des autres lymphocytes T, non phagocytaires, agissant seulement… …   Wikipédia en Français

  • helper T cell — noun T cell with CD4 receptor that recognizes antigens on the surface of a virus infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus • Syn: ↑helper cell, ↑CD4… …   Useful english dictionary

  • helper cell — T cells that assist in stimulating B and T lymphocytes to develop into antibody producing plasma cells and killer T cells, respectively …   Glossary of Biotechnology

  • T helper cell — T helper cells (also known as effector T cells or Th cells) are a sub group of lymphocytes (a type of white blood cell or leukocyte) that plays an important role in establishing and maximizing the capabilities of the immune system. These cells… …   Wikipedia

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