- cell-mediated hypersensitivity
- type IV h.
Medical dictionary. 2011.
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cell-mediated hypersensitivity reaction — type IV hypersensitivity r … Medical dictionary
cell-mediated cytotoxicity — cytolysis of a target cell by effector lymphocytes, such as cytotoxic T lymphocytes or NK cells; it may be antibody dependent (see antibody dependent cell mediated c.) or independent, as in certain type IV hypersensitivity reactions (q.v.) … Medical dictionary
cell-mediated immunity — (CMI), cellular immunity immunity mediated by T lymphocytes either through release of lymphokines or through exertion of direct cytotoxicity, transmissible by transfer of lymphocytes but not serum; it includes type IV hypersensitivity reactions,… … Medical dictionary
cell mediated immunity — Immune response that involves effector T lymphocytes and not the production of humoral antibody. Responsible for allograft rejection, delayed hypersensitivity and in defence against viral infection and intracellular protozoan parasites … Dictionary of molecular biology
Antibody-dependent cell-mediated cytotoxicity — An immune response in which antibody, by coating target cells, makes them vulnerable to attack by immune cells. Antibody dependent cell mediated cytotoxicity is commonly (and blissfully) abbreviated ADCC. * * * (ADCC), antibody dependent cellular … Medical dictionary
Hypersensitivity pneumonitis — Classification and external resources Micrograph of hypersensitivity pneumonitis. Lung biopsy. Trichrome stain … Wikipedia
hypersensitivity — Abnormal sensitivity, a condition in which there is an exaggerated response by the body to the stimulus of a foreign agent. See allergy. contact h. 1. SYN: contact dermatitis. 2. SYN: delayed reaction. delayed h. 1 … Medical dictionary
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
hypersensitivity — In immunology, a state of excessive and potentially damaging immune responsiveness as a result of previous exposure to antigen. If the hypersensitivity is of the immediate type (antibody mediated), then the response occurs in minutes; in delayed… … Dictionary of molecular biology
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