| Q-TWIST | quality-adjusted time without symptoms of disease and subjective toxic effects of treatment |
|---|---|
| Tw | twist |
| TWIST | time without symptoms of disease and subjective toxic effects of treatment |
| GH-V | variant form of Growth Hormone |
| ABPA | actin-binding protein, autosomal form; allergic bronchopulmonary aspergillosis |
| FF | Form Factor |
|---|---|
| FDM | Form-deprivation myopia |
| GST-P | Glutathione S-transferase placental form |
| HGSHS:A | Harvard Group Scale of Hypnotic Susceptibility, Form A |
| MOS SF-36 | Medical Outcome Study Short Form 36 |
| twist form | See: Haworth conformational formulas of cyclic sugars. (05 Mar 2000) |
|---|
| twist | 1. The act of twisting; a contortion; a flexure; a convolution; a bending. "Not the least turn or twist in the fibres of any one animal which does not render them more proper for that particular animal's way of life than any other cast or texture." (Addison) 2. The form given in twisting. "[He] shrunk at first sight of it; he found fault with the length, the thickness, and the twist." (Arbuthnot) 3. That which is formed by twisting, convoluting, or uniting parts. Specifically: A cord, thread, or anything flexible, formed by winding strands or separate things round each other. A kind of closely twisted, strong sewing silk, used by tailors, saddlers, and the like. A kind of cotton yarn, of several varieties. A roll of twisted dough, baked. A little twisted roll of tobacco. One of the threads of a warp, usually more tightly twisted than the filling. A material for gun barrels, consisting of iron and steel twisted and welded together; as, Damascus twist. The spiral course of the rifling of a gun barrel or a cannon. A beverage made of brandy and gin. 4. [OE.; so called as being a two-forked branch. See Twist] A twig. Gain twist, or Gaining twist, a twist of which the spiral course has an equal pitch throughout. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| a-form DNA | <molecular biology> One of several forms that can be assumed by a double helix. A-DNA is stable in dehydrated conditions. This form is less common than the dominant form found under physiological conditions -- beta-DNA. This form is also assumed by DNA-RNA hybrid helices and by regions of double-stranded RNA. It is a right-handed helix and is a more compact form than beta-DNA. (09 Oct 1997) |
| boat form | The less stable of two conformations assumed by 6-membered cyclic sugars (pyranoses) or cyclohexane derivatives, as opposed to chair form. See: Haworth conformational formulas of cyclic sugars. (05 Mar 2000) |
| cavity preparation form | The configuration or shape of a cavity preparation. (05 Mar 2000) |
| replicative form | An intermediate stage in the replication of either DNA or RNA viral genomes that is usually double stranded, the altered, double-stranded form to which single-stranded coliphage DNA is converted after infection of a susceptible bacterium, formation of the complementary ("minus") strand being mediated by enzymes that were present in the bacterium before entrance of the viral ("plus") strand. (05 Mar 2000) |
| resistance form | The shape given to a cavity preparation that enables the dental restoration to withstand masticatory forces. (05 Mar 2000) |
| retention form | The shape of a cavity preparation that prevents displacement of the dental restoration by lateral or tipping forces as well as masticatory forces. (05 Mar 2000) |
| chair form | The more stable of two conformations assumed by 6-membered cyclic sugars (e.g., the pyranoses) or cyclohexane derivatives, as opposed to boat form. See: Haworth conformational formulas of cyclic sugars. (05 Mar 2000) |
| wave form | The form of a pulse; e.g., an arterial pressure or displacement wave; or of the pacemaker pulse as demonstrated on the oscilloscope under a specified load. Synonym: waveshape. (05 Mar 2000) |
| wax form | A pattern of wax that, when invested and burned out or otherwise eliminated, will produce a mold in which a casting may be made. Synonym: wax form. (05 Mar 2000) |
| convenience form | The changes needed outside the basic outline form to enable proper instrumentation for the cavity preparation and insertion of a dental restoration. (05 Mar 2000) |
| myocardial infarction in dumbbell form | Infarction involving the septum along with both inferior and anterior walls to make an H-or dumbbell-shaped configuration. Synonym: Roesler-Bressler infarct. (05 Mar 2000) |
| posterior tooth form | The distinguishing contours of the occlusal surface of the various posterior teeth. (05 Mar 2000) |
| half-chair form | See: Haworth conformational formulas of cyclic sugars. (05 Mar 2000) |
| sickle form | The male or female gametocyte(s) of Plasmodium falciparum, whose presence in human red blood cells is diagnostic of falciparum malaria. Synonym: crescent, sickle form. Myopic crescent, a white or grayish white crescentic area in the fundus of the eye located on the temporal side of the optic disk; caused by atrophy of the choroid, permitting the sclera to become visible. Synonym: myopic conus. Sublingual crescent, the crescent-shaped area on the floor of the mouth formed by the lingual wall of the mandible and the adjacent part of the floor of the mouth. (05 Mar 2000) |
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