| apamin | <protein> A small (2027 D) basic peptide present in the venom of the honey bee (Apis mellifera). Blocks calcium activated potassium channels and has an inhibitory action in the central nervous sytem. (18 Nov 1997) |
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| apancreatic | Without a pancreas. (05 Mar 2000) |
| apansporoblastina | A suborder of parasitic protozoa commonly lacking a pansporoblastic membrane. The sporoblast is usually dinucleate. (12 Dec 1998) |
| apara | <zoology> See Mataco. Origin: Native name apara. Source: Websters Dictionary (01 Mar 1998) |
| aparalytic | Without paralysis; not causing paralysis. (05 Mar 2000) |
| aparathyreosis | Hypoparathyroidism, especially that caused by removal of the parathyroid glands. Origin: G. A-priv. + parathyroid + -osis, condition (05 Mar 2000) |
| aparathyroidism | Congenital absence, deficiency, or surgical removal of the parathyroid glands, with an extreme degree of hypoparathyroidism. (05 Mar 2000) |
| apareunia | Inability to accomplish sexual intercourse. (27 Sep 1997) |
| apartment | 1. A room in a building; a division in a house, separated from others by partitions. 2. A set or suite of rooms. 3. A compartment. Origin: F. Appartement; cf. It. Appartamento, fr. Appartare to separate, set apart; all fr. L. Ad + pars, partis, part. See Apart. Source: Websters Dictionary (01 Mar 1998) |
| apastia | Fasting, refusal to eat. (27 Sep 1997) |
| apastron | <astronomy> That point in the orbit of a double star where the smaller star is farthest from its primary. Origin: Gr. From + star. Source: Websters Dictionary (01 Mar 1998) |
| apathetic | Exhibiting apathy; indifferent. (05 Mar 2000) |
| apathism | A sluggishness of reaction. Compare: erethism. (05 Mar 2000) |
| apathy | <psychology> The lack of feeling or emotion, indifference. Origin: Gr. Apatheia (13 Nov 1997) |
| apatite | <chemical> Native phosphate of lime, occurring usually in six-sided prisms, colour often pale green, transparent or translucent. Origin: Gr. Deceit, fr. To deceive; it having been often mistaken for other minerals. Source: Websters Dictionary (01 Mar 1998) |