| alteration | 1. A change. 2. A changing; a making different. (05 Mar 2000) |
|---|---|
| alterative | A medicine or treatment which gradually induces a change, and restores healthy functions without sensible evacuations. Source: Websters Dictionary (01 Mar 1998) |
| alterative inflammation | A local reaction to injury, occasionally observed in the walls of blood vessels and in parenchymal cells of various organs in reacting to certain chemicals, viruses, and other intracellular agents; the response is characterised by degenerative changes in the cytoplasm and nucleus, frequently resulting in necrosis, but exudation (if any) is ordinarily observed only in the wall of the affected vessel, or in the interstices immediately adjacent to the affected vessel or parenchymal cells. Synonym: degenerative inflammation. (05 Mar 2000) |
| altercursive intubation | Rarely used term for diversion of secretion intermittently to the exterior from its normal destination, e.g., of the bile from the intestine. (05 Mar 2000) |
| altered self hypothesis | The hypothesis that the T-cell receptor in MHC mediated phenomena recognises a syngeneic MHC Class I or Class II molecule after modification by a virus or certain chemicals. See: MHC restriction. (18 Nov 1997) |
| alteregoism | Identification with people of similar personality to one's own. (27 Sep 1997) |
| alterity | The state or quality of being other; a being otherwise. "For outness is but the feeling of otherness (alterity) rendered intuitive, or alterity visually represented." (Coleridge) Origin: F. Alterite. Source: Websters Dictionary (01 Mar 1998) |
| altern | Acting by turns; alternate. <mathematics> Altern base, a second side made base, in distinction from a side previously regarded as base. Origin: L. Alternus, fr. Alter another: cf. F. Alterne. Source: Websters Dictionary (01 Mar 1998) |
| alternans | Alternating; KP7>often used substantively for alternation of the heart, either electrical or mechanical. Alternating; used as a noun in the sense of pulsus alternans. Origin: L. (05 Mar 2000) |
| alternansucrase | <enzyme> Leuconostoc mesenteroides enzyme synthesises a glucan with alternating 1-6 and 1-3 linkages Registry number: EC 3.2.1.- Synonym: glucansucrase (26 Jun 1999) |
| alternant | <geology> Composed of alternate layers, as some rocks. Origin: L. Alternans, p. Pr., cf. F. Alternant. See Alternate, v. T. Source: Websters Dictionary (01 Mar 1998) |
| alternaria | A deuteromycetous fungal genus including several plant pathogens and at least one species which produces a highly phytotoxic antibiotic. (12 Dec 1998) |
| alternate | Cause to occur or appear one after the other. (18 Nov 1997) |
| alternate binaural loudness balance test | ABLB test, a test for recruitment in one ear; the comparison of relative loudness of a series of intensities presented alternately to either ear. (05 Mar 2000) |
| alternate cover test | A test to detect phoria or strabismus; attention is directed to a small fixation object, and one eye is covered for several seconds; then the cover is moved quickly to the other eye; if the eye moves when it is uncovered, a strabismus or phoria is present. (05 Mar 2000) |