| RI | radiation intensity; radioactive isotope; radioimmunology; recession index; recombinant inbred [stra... |
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| IHA | idiopathic hyperaldosteronism; indirect hemagglutination; indirect hemagglutination antibody |
| HAI | hemagglutination inhibition; hepatic arterial infusion |
| HI | half-scan with interpolation; head injury; health insurance; hearing impaired; heart infusion; hemag... |
| H-I | hemagglutination-inhibition |
| HIT | Hemagglutination inhibition test |
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| IAHA | Immune adherence hemagglutination |
| IHA | Indirect Hemagglutination assay |
| PHA | Passive hemagglutination assays |
| ACEi | Angiotensin I converting enzyme inhibition |
cyto-inhibition
| hemagglutination | <haematology> Agglutination of red blood cells, often used to test for the presence of antibodies directed against red cell surface antigens or carbohydrate binding proteins or viruses in a solution. Requires that the agglutinin has at least two binding sites. (18 Nov 1997) |
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| allogeneic inhibition | Inhibition or injury to allogeneic cells that occurs when lymphocytes are mixed and cultured with other cells of different genotypes in vitro. (05 Mar 2000) |
| macrophage inhibition factor | <cytokine> A group of lymphokines (including a 14 kD glycoprotein) produced by activated T lymphocytes that reduces macrophage mobility and probably increases macrophage macrophage adhesion. (18 Nov 1997) |
| macrophage migration inhibition test | A test which measures the presence of migration-inhibitory factor. Usually peritoneal macrophages are placed in a capillary tube in the presence or absence of supernatants from activated T-cells. If MIF is present, the migration of monocyte/macrophages is reduced. Synonym: macrophage migration inhibition test, migration inhibition test. (05 Mar 2000) |
| reactive inhibition | Tendency toward a lessened strength of response due to practice or activity. It is independent of the effect of reward and is a direct function of time interval since the last response and the number of preceding responses. (12 Dec 1998) |
| reciprocal inhibition | Contraction in a muscle is accompanied by a loss of tone or by relaxation in the antagonistic muscle. Synonym: reciprocal inhibition. (05 Mar 2000) |
| reflex inhibition | A situation in which sensory stimuli decrease reflex activity. (05 Mar 2000) |
| cell migration inhibition | Phenomenon of cell-mediated immunity measured by in vitro inhibition of the migration or phagocytosis of antigen-stimulated leukocytes or macrophages. Specific assays have been developed to estimate levels of migration-inhibitory factor, immune reactivity against tumour-associated antigens, and immunosuppressive effects of infectious microorganisms. (12 Dec 1998) |
| central inhibition | <physiology> Suppression or diminution of outgoing impulses from a reflex centre. (05 Mar 2000) |
| residual inhibition | The inhibition or suppression of tinnitus by use of a sound-generating device (residual inhibitor) which masks the sounds of tinnitus and produces a residual sound-inhibiting effect when the device is turned off. (05 Mar 2000) |
| retroactive inhibition | The partial or complete obliteration of memory by a more recent event, particularly new learning. Compare: proactive inhibition. (05 Mar 2000) |
| migration inhibition test | A test which measures the presence of migration-inhibitory factor. Usually peritoneal macrophages are placed in a capillary tube in the presence or absence of supernatants from activated T-cells. If MIF is present, the migration of monocyte/macrophages is reduced. Synonym: macrophage migration inhibition test, migration inhibition test. (05 Mar 2000) |
| Wedensky inhibition | Inhibition of muscle response resulting from application of a series of rapidly repeated stimuli to the motor nerve where slower frequency of stimulation results in muscle response. (05 Mar 2000) |
| competitive inhibition | <chemistry> Inhibitor that occupies the active site of an enzyme or the binding site of a receptor and prevents the normal substrate or ligand from binding. at sufficiently high concentration of the normal ligand inhibition is lost: the Km is altered by the competitive inhibitor, but the Vmax remains the same. (05 Jan 1998) |
| contact inhibition | The inhibition of continued growth and division of a cell or colony due to physical contact with other cells or colonies. The stopping of continued growth when a certain density of cells has been reached. The momentary stopping of all movement when a mobile cell runs into another cell. (09 Oct 1997) |
Synonyms : Hemagglutination Inhibition Test, Inhibition Test, Hemagglutination, Inhibition Tests, Hemagglutination, Test, Hemagglutination Inhibition, Tests, Hemagglutination Inhibition
| hemagglutination inhibition (HI, HAI) a. |
see under test.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| hemagglutination inhibition t. |
1. a highly sensitive procedure for the measurement of soluble antigens in biologic specimens in which the specimen is first incubated with homologous antibody and then incubated with antigen-coated red cells; the amount of hemagglutination reflects the amount of free antibody present after reaction with the specimen and thus varies inversely with the amount of antigen in the specimen. 2. a procedure for the measurement of serum antibodies directed against a hemagglutinating virus; the highest dilution of serum that completely inhibits hemagglutination by a standardized viral preparation is reported as the hemagglutination titer.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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