| apatite calculus | A calculus in which the crystalloid component consists of calcium fluorophosphate. (05 Mar 2000) |
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| apatites | A group of phosphate minerals that includes ten mineral species and has the general formula x5(yo4)3z, where x is usually calcium or lead, y is phosphorus or arsenic, and z is chlorine, fluorine, or oh-. (12 Dec 1998) |
| apazone | <chemical> An anti-inflammatory agent used in the treatment of rheumatoid arthritis. It also has uricosuric properties and has been used to treat gout. Pharmacological action: non-steroidal anti-inflammatory agents, uricosuric agents. Chemical name: 1H-Pyrazolo(1,2-a)(1,2,4)benzotriazine-1,3(2H)-dione, 5-(dimethylamino)-9-methyl-2-propyl- (12 Dec 1998) |
| apc | An premature heartbeat of atrial origin. Generally nonserious and typically exacerbated by stimulant use (for example alcohol, decongestants, caffeine, nicotine). (27 Sep 1997) |
| APC compound | An analgesic tablet drug combination containing aspirin, phenacetin and caffeine. Very widely used in the 1940's through 1960's; original constituents of popular over-the-counter pain remedies. Use currently much diminished due to concerns about potential renal injury due to the phenacetin. (05 Mar 2000) |
| ape | 1. <zoology> A quadrumanous mammal, especially. Of the family Simiadae, having teeth of the same number and form as in man, having teeth of the same number and form as in man, and possessing neither a tail nor cheek pouches. The name is applied esp. To species of the genus Hylobates, and is sometimes used as a general term for all Quadrumana. The higher forms, the gorilla, chimpanzee, and ourang, are often called anthropoid apes or man apes. The ape of the Old Testament was prqobably the rhesus monkey of India, and allied forms. 2. One who imitates servilely (in allusion to the manners of the ape); a mimic. 3. A dupe. Origin: AS. Apa; akin to D. Aap, OHG. Affo, G. Affe, Icel. Api, Sw. Apa, Dan. Abe, W. Epa. Source: Websters Dictionary (01 Mar 1998) |
| ape diseases | Diseases of apes (pongidae). This term includes diseases of chimpanzees, gorillas, and orangutans. (12 Dec 1998) |
| ape fissure | A small, inconstant semilunar groove on the cortical convexity near the occipital pole, marking the anterior border of the striate cortex (area 17) and considered homologous with the major sulcus of the same name that is a more constant feature of the cerebral cortex in monkeys and apes. Synonym: sulcus lunatus cerebri, ape fissure, lunate fissure, lunate sulcus, simian fissure. (05 Mar 2000) |
| ape hand | A deformity marked by extension of the thumb in the same plane as the palm and fingers. Synonym: monkey hand, monkey-paw. (05 Mar 2000) |
| apeidosis | Rarely used term for departure from the normal histologic picture or the characteristic manifestations of a disease. Origin: G. Apo, away, + eidos, form (05 Mar 2000) |
| apellous | Destitute of skin. Origin: Pref. A- not + L. Pellis skin. Source: Websters Dictionary (01 Mar 1998) |
| apenteric | An obsolete term for abenteric. Origin: G. Apo, from, + enteron, intestine (05 Mar 2000) |
| apepsinia | Rarely used term for lack of pepsin in the gastric juice. (05 Mar 2000) |
| apepsy | <medicine> Defective digestion, indigestion. Origin: NL. Apepsia, fr. Gr, fr. Uncooked, undigested; priv. + cooked, to cook, digest. Source: Websters Dictionary (01 Mar 1998) |
| aperea | <zoology> The wild Guinea pig of Brazil (Cavia aperea). Origin: Native name. Source: Websters Dictionary (01 Mar 1998) |