| quercitrin glycosidase | <enzyme> Induced in cultured cell-free microbial preparations from human feces; quercitrin hydrolysed to quercetin Registry number: EC 3.2.1.- (26 Jun 1999) |
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| quercitron | 1. The yellow inner bark of the Quercus tinctoria, the American black oak, yellow oak, dyer's oak, or quercitron oak, a large forest tree growing from Maine to eastern Texas. 2. Quercitrin, used as a pigment. See Quercitrin. Origin: F. Quercitron, the name of the name of tree; L. Quercus an oak + citrus the citron tree. Source: Websters Dictionary (01 Mar 1998) |
| quercus | <botany> A genus of trees constituted by the oak. See Oak. Origin: L, an oak. Source: Websters Dictionary (01 Mar 1998) |
| querl | A coil; a twirl; as, the qwerl of hair on the fore leg of a blooded horse. Source: Websters Dictionary (01 Mar 1998) |
| querquedule | <zoology> A teal. The pintail duck. Origin: L. Querquedula. Source: Websters Dictionary (01 Mar 1998) |
| querulent | Denoting one who is ever suspicious, always opposing any suggestion, complaining of ill treatment and of being slighted or misunderstood, easily enraged, and dissatisfied; characteristic of paranoid personalities. Origin: L. Querulus, complaining, fr. Queror, to complain (05 Mar 2000) |
| Quervain | Fritz de. See: de Quervain. (05 Mar 2000) |
| quesal | <zoology> The long-tailed, or resplendent, trogon (Pharomachus mocinno, formerly Trogon resplendens), native of Southern Mexico and Central America. Synonym:quetzal, and golden trogon. The male is remarkable for the brilliant metallic green and gold colours of his plumage, and for his extremely long plumes, which often exceed three feet in length. Source: Websters Dictionary (01 Mar 1998) |
| questin oxygenase | <enzyme> Catalyses the conversion of questin to desmethylsulochrin; isolated from aspergillus terreus Registry number: EC 1.14.13.- (26 Jun 1999) |
| questionnaire | A list of questions submitted orally or in writing to obtain personal information or statistically useful data. Holmes-Rahe questionnaire, a survey to measure in life change units the stressfulness of various life events such as an acute illness, bankruptcy, death of a loved one, etc. (05 Mar 2000) |
| questionnaires | Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument. (12 Dec 1998) |
| quet | <zoology> The common guillemot. Source: Websters Dictionary (01 Mar 1998) |
| Quetelet | Lambert Alphonse Jacques, 1796-1857. Belgian astronomer and mathematician. (05 Mar 2000) |
| queuine tRNA-ribosyltransferase | <enzyme> Catalyses exchange of modified base q in trna with guanine without breaking the polynucleotide chain Registry number: EC 2.4.2.29 Synonym: queuine trna transferase, trna-guanine transferase, trna guanine transglycosylase, guanine-trna transglycosylase, guanine, queuine-trna transglycosylase, q-insertase, queuine insertase, guanine insertion enzyme, trna-guanine ribosyltransferase, guanine insertase (26 Jun 1999) |
| Queyrat | Auguste, French dermatologist, *1872. See: erythroplasia of Queyrat. (05 Mar 2000) |