| quality control | In biotechnology, quality control is essential to ensure purified protein pharmaceuticals are indeed pure and that they are intact and maintain their biological activity. (14 Nov 1997) |
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| quality control chart | A chart illustrating the allowable limits of error in laboratory test performance, the limits being a defined deviation from the mean of a control serum, most commonly ±2 SD. See: quality control. (05 Mar 2000) |
| quality factor | <radiobiology> (Q) A multiplying factor used with absorbed dose to convert to dose equivalent and therefore to express the radiation's effectiveness in causing biological effects. (16 Dec 1997) |
| quality indicators, health care | Norms, criteria, standards, and other direct qualitative and quantitative measures used in determinng the quality of health care. (12 Dec 1998) |
| quality of health care | The levels of excellence which characterise the health service or health care provided based on accepted standards of quality. (12 Dec 1998) |
| quality of life | Refers to the level of comfort, enjoyment, ability to pursue daily activities. Often used in discussions of treatment options. (16 Dec 1997) |
| qualm | 1. Sickness; disease; pestilence; death. " thousand slain and not of qualm ystorve [dead]" (Chaucer) 2. A sudden attack of illness, faintness, or pain; an agony. " Qualms of heartsick agony." 3. Especially, a sudden sensation of nausea. "For who, without a qualm, hath ever looked On holy garbage, though by Homer cooked?" (Roscommon) 4. A prick or scruple of conscience; uneasiness of conscience; compunction. Origin: AS. Cwealm death, slaughter, pestilence, akin to OS. & OHG. Qualm. See Quail to cower. Source: Websters Dictionary (01 Mar 1998) |
| qualmish | Sick at the stomach; affected with nausea or sickly languor; inclined to vomit. Qualm"ishly, Qualm"ishness. Source: Websters Dictionary (01 Mar 1998) |
| quamash | <botany> See Camass. Source: Websters Dictionary (01 Mar 1998) |
| quamoclit | <botany> Formerly, a genus of plants including the cypress vine (Quamoclit vulgaris, now called Ipomoea Quamoclit). The genus is now merged in Ipomoea. Origin: Gr. A bean + to bend, to slope. Source: Websters Dictionary (01 Mar 1998) |
| quandong | <botany> The edible drupaceous fruit of an Australian tree (Fusanus acuminatus) of the Sandalwood family. Synonym: quandang. Source: Websters Dictionary (01 Mar 1998) |
| quandy | <zoology> The old squaw. Origin: Etymol. Uncertain. Source: Websters Dictionary (01 Mar 1998) |
| Quant's sign | <clinical sign> A T-shaped depression in the occipital bone occurring in many cases of rickets, especially in infants lying constantly in bed with pressure on the occiput. (05 Mar 2000) |
| quanta | Plural of quantum. Origin: L. (05 Mar 2000) |
| quantal mitosis | A controversial concept in cellular differentiation proposed by H. Holtzer and defined by him as a mitosis that yields daughter cells with metabolic options very different from those of the mother cell as opposed to proliferative mitoses in which the daughter cells are identical to the mother cell. Implicit in this is the idea that the changes in cell determination that occur during development take place at these special quantal mitoses. (18 Nov 1997) |