homocytotropic
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homocytotropic — Having an affinity for cells of the same or a closely related species. [homo + G. kytos, cell, + trope, a turning toward] * * * ho·mo·cy·to·tro·pic .sīt ə trō pik adj of, relating to, or being any antibody that attaches to cells of the species in … Medical dictionary
homocytotropic antibody — see cytotropic a … Medical dictionary
antibody — An immunoglobulin molecule produced by B lymphoid cells with a specific amino acid sequence evoked in humans or other animals by an antigen (immunogen). These molecules are characterized by reacting specifically with the antigen in some… … Medical dictionary
reagin — /ree ay jin, gin/, n. Immunol. 1. Also called Wassermann antibody. an antibody formed in response to syphilis and reactive with cardiolipin in various blood tests for the disease. 2. an antibody found in certain human allergies, as hay fever and… … Universalium
mediator — An intermediary substance or thing. pharmacologic mediators of anaphylaxis substances released from mast (and other) cells by the reaction of antigen and specific homocytotropic antibody on their surfaces; they include histamine, slow reacting… … Medical dictionary
reagin — 1. Wolff Eisner term for antibody. 2. Old term for the “Wassermann” antibody; not to be confused with the Prausnitz Küstner antibody. 3. Antibodies that mediate immediate hypersensitivity reactions (IgE in humans). 4. SYN: homocytotropic antibody … Medical dictionary
cytotropic antibody — 1. antibody that binds to mast cells and basophils at specific receptors; subsequent binding of antigen to the cell fixed antibody triggers release of mediators of immediate hypersensitivity. Such antibodies produced by the animal itself in… … Medical dictionary