| queest | <zoology> The European ringdove (Columba palumbus); the cushat. Alternative forms: quist, queeze, quice, queece] See Ringdove. Origin: Cf. Icel. Kvisa a kind of bird, kvistr a branch of a tree, and E. Cushat. Source: Websters Dictionary (01 Mar 1998) |
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| quellung phenomenon | Increase in opacity and visibility of the capsule of capsulated organisms exposed to specific agglutinating anticapsular antibodies. Synonym: Neufeld reaction, quellung phenomenon, quellung reaction, quellung test. Scrotal swelling, the swelling formed after the embryonic genital swellings have fused together, become spherical, and migrated caudally to the base of the penis; just before birth the testis comes to lie within it. Spielmeyer's acute swelling, a form of degeneration of nerve cells in which the cell body and its processes swell and stain palely and diffusely. (05 Mar 2000) |
| Quellung reaction | Swelling of the capsule surrounding a bacterium as a result of interaction with anticapsular antibody, consequently the capsule becomes more refractile and conspicuous. (18 Nov 1997) |
| quellung test | Increase in opacity and visibility of the capsule of capsulated organisms exposed to specific agglutinating anticapsular antibodies. Synonym: Neufeld reaction, quellung phenomenon, quellung reaction, quellung test. Scrotal swelling, the swelling formed after the embryonic genital swellings have fused together, become spherical, and migrated caudally to the base of the penis; just before birth the testis comes to lie within it. Spielmeyer's acute swelling, a form of degeneration of nerve cells in which the cell body and its processes swell and stain palely and diffusely. (05 Mar 2000) |
| quench | 1. To extinguish; to overwhelm; to make an end of; said of flame and fire, of things burning, and figuratively of sensations and emotions; as, to quench flame; to quench a candle; to quench thirst, love, hate, etc. "Ere our blood shall quench that fire." (Shak) "The supposition of the lady's death Will quench the wonder of her infamy." (Shak) 2. To cool suddenly, as heated steel, in tempering. Synonym: To extinguish, still, stifle, allay, cool, check. Origin: OE. Quenchen, AS. Cwencan in acwencan, to extinguish utterly, causative of cwincan, acwincan, to decrease, disappear; cf. AS. Cwinan, acwinan, to waste or dwindle away. Source: Websters Dictionary (01 Mar 1998) |
| quenching | 1. The process of extinguishing, removing, or diminishing a physical property such as heat or light; e.g., the cooling of a hot metal rapidly by plunging it into water or oil. 2. In beta liquid scintillation counting, the shifting of the energy spectrum from a true to a lower energy; it is caused by a variety of interfering materials in the counting solution, including foreign chemicals and colouring agents. 3. The process of stopping a chemical or enzymatic reaction. Origin: M. E. Quenchen, fr. O.E. Acwencan Fluorescence quenching, a technique used in investigations dealing with binding of antigens (haptens) by purified antibodies, applicable in cases in which the bound antigen (hapten) absorbs (quenches) light emitted during fluorescence of protein (antibody) excited by ultraviolet light. (05 Mar 2000) |
| quenouille training | <botany> A method of training trees or shrubs in the shape of a cone or distaff by tying down the branches and pruning. Origin: F. Quenouille distaff. Source: Websters Dictionary (01 Mar 1998) |
| 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) |
| Queckenstedt's sign (phenomenon, test) |
see under sign.
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| Queckenstedt's t. |
see under sign.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Queen's n. |
in Great Britain, a district nurse who has been trained at or in accordance with the regulations of the Queen Victoria Jubilee Institute for Nurses.
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| Queensland i. |
Culicoides hypersensitivity.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Queensland tick t. |
an acute, febrile, exanthematous disease marked by a primary lesion (tache noire), caused by Rickettsia australis, and transmitted by the Australian ticks Ixodes holocyclus and I. tasmani. Called also Australian and North Queensland tick t.
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| que | a test to determine whether there is a blockage of the spinal canal |
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| que | female cat |
| que | the only fertile female in a colony of social insects such as bees and ants and termites |
| que | especially large and only member of a colony of naked mole rats to bear offspring sired by only a few males |
| que | (chess) the most powerful chess piece |
| que | one of four face cards in a deck bearing a picture of a queen |
| que | offensive terms for an openly homosexual man |
| que | a competitor who holds a preeminent position |
| que | a female sovereign ruler |
| que | the wife or widow of a king |
| que | something personified as a woman who is considered the best or most important of her kind |
| que | become a queen, as of a chess pawn |