| Quenu | Eduard A.V.A., French surgeon and anatomist, 1852-1933. See: Quenu's haemorrhoidal plexus, Quenu-Muret sign. (05 Mar 2000) |
|---|---|
| Quenu's haemorrhoidal plexus | Lymphatic plexus's in the skin about the anus. (05 Mar 2000) |
| Quenu-Muret sign | <clinical sign> In aneurysm, well-maintained collateral circulation indicated by issue of blood when the main artery of the limb is compressed and a puncture is made at the periphery. (05 Mar 2000) |
| quercetin | <protein> Mutagenic flavonol pigment found in many plants. Inhibits F0F1 ATPases. (18 Nov 1997) |
| quercitannic | <chemistry> Pertaining to, or designating, a tannic acid found in oak bark and extracted as a yellowish brown amorphous substance. Origin: L. Quercus an oak + E. Tannic. Source: Websters Dictionary (01 Mar 1998) |
| quercite | <chemistry> A white crystalline substance, C6H7(OH)5, found in acorns, the fruit of the oak (Quercus). It has a sweet taste, and is regarded as a pentacid alcohol. Source: Websters Dictionary (01 Mar 1998) |
| quercitin | <chemistry> A yellow crystalline substance, occurring quite widely distributed in the vegetable kingdom, as is apple-tree bark, horse-chestnut leaves, etc, but originally obtained by the decomposition of quercitrin. Synonym: meletin. Source: Websters Dictionary (01 Mar 1998) |
| quercitrin | <chemistry> A glucoside extracted from the bark of the oak (Quercus) as a bitter citron-yellow crystalline substance, used as a pigment and called quercitron. Origin: Cf. F. Quercitrin. See Quercitron. Source: Websters Dictionary (01 Mar 1998) |
| 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) |
| 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) |