| zamia | <botany> A genus of cycadaceous plants, having the appearance of low palms, but with exogenous wood. See Coontie, and Illust. Of Strobile. Origin: L. Zamia a kind of fir cone, from Gr, hurt, damage. See Plin. Xvi. 44. Source: Websters Dictionary (01 Mar 1998) |
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| zamite | <paleontology> A fossil cycad of the genus Zamia. Source: Websters Dictionary (01 Mar 1998) |
| zamouse | <zoology> A West African buffalo (Bubalus brachyceros) having short horns depressed at the base, and large ears fringed internally with three rows of long hairs. It is destitute of a dewlap. Synonym: short-horned buffalo, and bush cow. Origin: From a native name. Source: Websters Dictionary (01 Mar 1998) |
| zander | <zoology> A European pike perch (Stizostedion lucioperca) allied to the wall-eye. Synonym: sandari, sander, sannat, schill, and zant. Origin: Cf. D. Zand sand. Source: Websters Dictionary (01 Mar 1998) |
| zandmole | <zoology> The sand mole. Origin: Cf. D. Zand sand. See Sand, and Mole the animal. Source: Websters Dictionary (01 Mar 1998) |
| zantac | <drug> Proprietry name for ranitidine. An H2 antagonist. (15 Nov 1997) |
| zante | <botany> See Zantewood. Source: Websters Dictionary (01 Mar 1998) |
| zante currant | A kind of seedless grape or raisin; so called from Zante, one of the Ionian Islands. Source: Websters Dictionary (01 Mar 1998) |
| zantewood | <botany> A yellow dyewood; fustet; called also zante, and zante fustic. See Fustet, and the Note under Fustic. Satinwood (Chloroxylon Swietenia). Source: Websters Dictionary (01 Mar 1998) |
| ZAP-70 kinase | <enzyme> Associated with the t-cell receptor zeta chain; amino acid sequence given in first source Registry number: EC 2.7.1.- Synonym: zap-70 protein, zap-70 gene product (26 Jun 1999) |
| zaphrentis | <paleontology> An extinct genus of cyathophylloid corals common in the Paleozoic formations. It is cup-shaped with numerous septa, and with a deep pit in one side of the cup. Source: Websters Dictionary (01 Mar 1998) |
| zapotilla | <botany> See Sapodilla. Source: Websters Dictionary (01 Mar 1998) |
| Zappert counting chamber | A special, standardised glass slide used for counting cells (especially erythrocytes and leukocytes) and other particulate material in a measured volume of fluid; the central portion is precisely ground in such a manner that the uniformly flat surface is exactly 0.1 mm lower than that of two parallel ridges on which a special, uniformly flat coverslip may be placed; accurately etched lines on the flat central portion form the boundaries of groups of squares of known areas, thereby providing the basis for determining the volume of fluid in which the cells are counted. Glass slides of this type are frequently known as haemocytometers. (05 Mar 2000) |
| Zappert, Julius | <person> Austrian physician, 1867-1942. See: Zappert counting chamber. (05 Mar 2000) |
| zaratite | <chemical> A hydrous carbonate of nickel occurring as an emerald-green incrustation on chromite. Synonym: emerald nickel. Origin: Named after Gen. Zarata of Spain. Source: Websters Dictionary (01 Mar 1998) |