| ICR | [distance between] iliac crests; Institute for Cancer Research; Institute for Cancer Research [mouse... |
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| IRC | inspiratory reserve capacity; instantaneous resonance curve; International Red Cross; International ... |
| KRRS | kinetic resonance Raman spectroscopy |
| LMR | left medial rectus [muscle]; localized magnetic resonance; lymphocytic meningpolyradiculitis |
| MR | Maddox rods; magnetic resistance; magnetic resonance; mandibular reflex; mannose-resistant; may repe... |
| double contrast enema | After evacuation of a barium enema and injection of air into the rectum, radiographs show fine details of mucosa of the rectum and colon. (05 Mar 2000) |
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| double convex lens | A lens with both surfaces convex. Synonym: convexoconvex lens, double convex lens. (05 Mar 2000) |
| double crossover | <genetics, molecular biology> Two events of recombination occuring on the same chromosome. (09 Oct 1997) |
| double decidual sac | <radiology> DDS, visualization correlates with presence of pregnancy in 98%, may be seen at less than 5 weeks on transvaginal scans see: gestational sac (12 Dec 1998) |
| double digestion | <molecular biology> Treating DNA with two different restriction enzymes, or enzymes which will cleave DNA at specific nucleotide sequences. (09 Oct 1997) |
| double displacement mechanism | A special multisubstrate reaction in which, for a two-substrate, two-product (i.e., bi-bi) system, an enzyme reacts with one substrate to form a product and a modified enzyme, the latter then reacting with a second substrate to form a second, final product, and regenerating the original enzyme. An example of such a mechanism is found in the aminotransferases. More complex ping-pong mechanisms exist for enzymes having more than two substrates. Synonym: double displacement mechanism. (05 Mar 2000) |
| double-ender | A locomotive with pilot at each end. Source: Websters Dictionary (01 Mar 1998) |
| double-entendre | A word or expression admitting of a double interpretation, one of which is often obscure or indelicate. Origin: F. Double double + entendre to mean. This is a barbarous compound of French words. The true French equivalent is double entente. Source: Websters Dictionary (01 Mar 1998) |
| double first | <engineering> A degree of the first class both in classics and mathematics. One who gains at examinations the highest honor both in the classics and the mathematics. Source: Websters Dictionary (01 Mar 1998) |
| double flap amputation | <orthopaedics, surgery> Amputation in which a flap is cut from the soft parts on either side of the limb. (05 Mar 2000) |
| double fracture | A fracture in two parts of the same bone. Synonym: double fracture. (05 Mar 2000) |
| double helix | <molecular biology> Conformation or shape that two linear strands of DNA assume when bonded together and become twisted into a helix. (10 Nov 1998) |
| double hemiplegia | Paralysis of corresponding parts on both sides of the body. Synonym: double hemiplegia. Origin: G. Di-, two, + plege, a stroke (05 Mar 2000) |
| double immunodiffusion | See: gel diffusion precipitin tests in two dimensions. (05 Mar 2000) |
| double inlet atrioventricular connections | Connections in which both atrial chambers connect to the same ventricle. (05 Mar 2000) |