| AGA | accelerated growth area; allergic granulomatosis and angiitis; American Gastroenterological Associat... |
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| AOA | American Osteopathic Association; Administration on Aging; Alpha Omega Alpha Honor Society; American... |
| IF | 1) Immuno-Fluorescence 2) Intrinsic Factor |
| ISA | 1) Intrinsic Sympathomimetic Activity 2) Industrial Standard Architecture... |
| CIT | citrate; combined intermittent therapy; conjugated-immunoglobulin technique; crossed intrinsic trans... |
| intrinsic pathway | <haematology> Initiation of blood clotting as a result of factors released from damaged tissue, as opposed to contact with a foreign surface (the intrinsic pathway). Tissue thromboplastin (Factor III) in conjunction with Factor VII proconvertin) will activate Factor X that, once activated, converts prothrombin to thrombin. (27 Jun 1999) |
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| intrinsic proteins | Proteins that cannot be easily separated from a biomembrane. Synonym: intrinsic proteins. (05 Mar 2000) |
| intrinsic reflex | A reflex muscular contraction elicited by the application of a stimulus, usually stretching, to the muscle itself as opposed to a muscular contraction caused by an extrinsic stimulus, e.g., skin, as in the abdominal skin reflex's. (05 Mar 2000) |
| intrinsic sphincter | A thickening of the circular fibres of the muscular coat of an organ. (05 Mar 2000) |
| intrinsic sympathomimetic activity | The property of a drug that causes activation of adrenergic receptors so as to produce effects similar to stimulation of the sympathetic nervous system. (05 Mar 2000) |
| tonoplast intrinsic protein | <protein> Plant protein, closely related to major intrinsic protein. Found in plant storage vacuolar membranes. (18 Nov 1997) |
| american dental association | Professional society representing the field of dentistry. (12 Dec 1998) |
| american heart association | A voluntary organization concerned with the prevention and treatment of heart and vascular diseases. (12 Dec 1998) |
| american hospital association | A professional society in the united states whose membership is composed of hospitals. (12 Dec 1998) |
| american medical association | Professional society representing the field of medicine. (12 Dec 1998) |
| american nurses' association | Professional society representing the field of nursing. (12 Dec 1998) |
| american speech-language-hearing association | A professional society concerned with the diagnosis, prevention, treatment, and remediation of speech, language, and hearing disorders. (12 Dec 1998) |
| association | 1. <neurology> Correlation involving a high degree of modifiability and also consciousness. 2. <genetics> The occurrence together of two or more phenotypic characteristics more often than would be expected by change. To be distinguished from linkage. 3. In dysmorphology, the nonrandom occurrence in two or more individuals of multiple anomalies not known to be a polytopic field defect, sequence or syndrome. Origin: L. Associatio (18 Nov 1997) |
| association areas | Generic term denoting the large expanses of the cerebral cortex that are not sensory or motor in the customary sense, but are involved in advanced stages of sensory information processing, multisensory integration, or sensorimotor integration. See: cerebral cortex. Synonym: association areas. (05 Mar 2000) |
| association cortex | Generic term denoting the large expanses of the cerebral cortex that are not sensory or motor in the customary sense, but are involved in advanced stages of sensory information processing, multisensory integration, or sensorimotor integration. See: cerebral cortex. Synonym: association areas. (05 Mar 2000) |