antigen recognized cell

См. также в других словарях:

• antigen-presenting cell — n any of various cells (as a macrophage or a B cell) that take up and process an antigen into a form that when displayed at the cell surface in combination with a molecule of the major histocompatibility complex is recognized by and serves to… …   Medical dictionary

• Antigen-presenting cell — An antigen presenting cell (APC) or accessory cell is a cell that displays foreign antigen complexed with MHC on its surface. T cells may recognize this complex using their T cell receptor (TCR). Types APCs fall into two categories: professional… …   Wikipedia

• antigen-presenting cell — ¦ ̷ ̷  ̷ ̷  ̷ ̷  ̷ ̷ ¦ ̷ ̷  ̷ ̷ noun : any of various cells (as a macrophage or a B cell) that take up and process an antigen into a form that when displayed at the cell surface in combination with a molecule of the major histocompatibility… …   Useful english dictionary

• antigen-presenting cell — noun Date: 1981 any of various cells (as a macrophage or a B cell) that take up an antigen and process it into a form recognized by and serving to activate a specific helper T cell …   New Collegiate Dictionary

• Antigen presentation — is a process in the body s immune system by which macrophages, dendritic cells and other cell types capture antigens and then enable their recognition by T cells. NOTOC The basis of adaptive immunity lies in the capacity of immune cells to… …   Wikipedia

• Antigen — Each antibody binds to a specific antigen; an interaction similar to a lock and key. An antigen is a foreign molecule that, when introduced into the body, triggers the production of an antibody by the immune system. The immune system will then… …   Wikipedia

• Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… …   Medical dictionary

• Cytotoxic T cell — Antigen presentation stimulates T cells to become either cytotoxic CD8+ cells or helper CD4+ cells. A cytotoxic T cell (also known as TC, Cytotoxic T Lymphocyte, CTL, T Killer cell, cytolytic T cell, CD8+ T cells or killer T cell) belongs to a… …   Wikipedia

• antigen presentation — the ingesting and partial digestion of antigens by macrophages, which then present the processed antigen on their surfaces to B and T lymphocytes. (See antigen presenting cells, under cell.) The presented antigen is more immunogenic than… …   Medical dictionary

• antigen — Any substance that, as a result of coming in contact with appropriate cells, induces a state of sensitivity and/or immune responsiveness after a latent period (days to weeks) and that reacts in a demonstrable way with antibodies and/or immune… …   Medical dictionary

• White blood cell — White Blood Cells redirects here. For the album by The White Stripes, see White Blood Cells (album). White blood cell A scanning electron microscope image of normal circulating human blood. In addition to the irregularly shaped leukocytes, both… …   Wikipedia