| adambulacral | <zoology> Next to the ambulacra; as, the adambulacral ossicles of the starfish. Origin: L. Ad + E. Ambulacral. Source: Websters Dictionary (01 Mar 1998) |
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| adamite | 1. A descendant of Adam; a human being. 2. One of a sect of visionaries, who, professing to imitate the state of Adam, discarded the use of dress in their assemblies. Origin: From Adam. Source: Websters Dictionary (01 Mar 1998) |
| Adamkiewicz, Albert | <person> Polish pathologist, 1850-1921. See: artery of Adamkiewicz. (05 Mar 2000) |
| Adams, Robert | <person> Irish physician, 1791-1875. See: Adams-Stokes disease, Stokes-Adams disease, Adams-Stokes syncope, Adams-Stokes syndrome, Stokes-Adams syndrome, Morgagni-Adams-Stokes syndrome. (05 Mar 2000) |
| Adams, Sir William | <person> British surgeon, 1760-1829. (05 Mar 2000) |
| Adams-Stokes disease | <syndrome> Transient asystole or ventricular fibrillation in the presence of atrioventricular block. (12 Dec 1998) |
| Adams-Stokes syncope | Syncope due to complete atrioventricular block. (05 Mar 2000) |
| adams-stokes syndrome | <syndrome> Transient asystole or ventricular fibrillation in the presence of atrioventricular block. (12 Dec 1998) |
| adamsite | A vomiting agent that has been used in military training and in riot control. Origin: Roger Adams, Am. Chemist (05 Mar 2000) |
| Adanson, Michel | <person> French naturalist, 1727-1806. See: adansonian classification. (05 Mar 2000) |
| adansonia | <botany> A genus of great trees related to the Bombax. There are two species, A. Digitata, the baobab or monkey-bread of Africa and India, and A. Gregorii, the sour gourd or cream-of-tartar tree of Australia. Both have a trunk of moderate height, but of enormous diameter, and a wide-spreading head. The fruit is oblong, and filled with pleasantly acid pulp. The wood is very soft, and the bark is used by the natives for making ropes and cloth. Origin: From Adanson, a French botanist. Source: Websters Dictionary (01 Mar 1998) |
| adansonian classification | The classification of organisms based on giving equal weight to every character of the organism; this principle has its greatest application in numerical taxonomy. Origin: M. Adanson (05 Mar 2000) |
| adaptation | 1. <cell biology> The adjustment of an organism to its environment or the process by which it enhances such fitness. 2. <ophthalmology> The normal ability of the eye to adjust itself to variations in the intensity of light, the adjustment to such variations. 3. <neurology, physiology> The decline in the frequency of firing of a neuron, particularly of a receptor, under conditions of constant stimulation. 4. <dentistry> (a) the proper fitting of a denture, (b) the degree of proximity and interlocking of restorative material to a tooth preparation, (c) the exact adjustment of bands to teeth. 5. <microbiology> The adjustment of bacterial physiology to a new environment. Origin: L. Adaptare = to fit (18 Nov 1997) |
| adaptation diseases | Disease's falling theoretically into Selye's concept of the general-adaptation syndrome. (05 Mar 2000) |
| adaptation syndrome of Selye | General non-specific adaptation of the organism in response to specific stimuli which trigger a cycle of extensive physiological changes in the endocrine and other organ systems due to prolonged and intense stress. See: general adaptation syndrome. (05 Mar 2000) |