| pr | far point of accommodation [Lat. punctum remotum]; pair; per rectum; prism |
|---|---|
| QR | quality review; quantity is correct [Lat. quantum rectum]; quieting response; quinaldine red |
| qr | quadriradial; quantity is correct [Lat. quantum rectum]; quarter |
| rect | rectal; rectification, rectified; rectum; rectus [muscle] |
| SURS | solitary ulcer of rectum syndrome; surveillance and utilization review |
| sigmoid flexure | <anatomy> The portion of the colon that connects to the descending colon above and the rectum below. (27 Sep 1997) |
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| sphincter of hepatic flexure of colon | Physiological sphincter at the level of the right colic flexure. (05 Mar 2000) |
| splenic flexure | The bend at the junction of the transverse and descending colon. Synonym: flexura coli sinistra, splenic flexure. (05 Mar 2000) |
| splenic flexure narrowing | <radiology> Colon carcinoma, amebic dysentery, TB, endometriosis, pancreatitis / pancreatic carcinoma (12 Dec 1998) |
| splenic flexure syndrome | <syndrome> Symptoms of pain, gas, bloating, a sense of fullness experienced in the left upper abdominal quadrant, sometimes beneath the ribs, in some instances radiating upward, and in some instances producing anterior chest pain central or predominantly on the left. It may be induced experimentally by the introduction and trapping of air in the splenic flexure. (05 Mar 2000) |
| superior flexure of duodenum | The flexure at the junction of the superior and descending parts of the duodenum. Synonym: flexura duodeni superior. (05 Mar 2000) |
| dorsal flexure | A flexure in the mid-dorsal region in the embryo. (05 Mar 2000) |
| duodenojejunal flexure | An abrupt bend in the small intestine at the junction of the duodenum and jejunum. Synonym: flexura duodenojejunalis, duodenojejunal angle. (05 Mar 2000) |
| inferior flexure of duodenum | The bend at the junction of the descending and horizontal parts of the duodenum. Occasionally a bend, the left inferior duodenal flexure, occurs at the junction of the horizontal and ascending parts. Synonym: flexura duodeni inferior. (05 Mar 2000) |
| telencephalic flexure | A flexure appearing in the embryonic forebrain region. (05 Mar 2000) |
| transverse rhombencephalic flexure | The dorsally concave curvature of the rhombencephalon in the embryo; appearance indicates division of rhombencephalon into myelencephalon and metencephalon. Synonym: basicranial flexure, transverse rhombencephalic flexure. (05 Mar 2000) |
| flexure | 1. The act of flexing or bending; a turning or curving; flexion; hence, obsequious bowing or bending. "Will it give place to flexure and low bending?" (Shak) 2. A turn; a bend; a fold; a curve. "Varying with the flexures of the valley through which it meandered." (British Quart. Rev) 3. <zoology> The last joint, or bend, of the wing of a bird. 4. <astronomy> The small distortion of an astronomical instrument caused by the weight of its parts; the amount to be added or substracted from the observed readings of the instrument to correct them for this distortion. <mathematics> The flexure of a curve, the bending of a curve towards or from a straight line. Origin: L. Flexura. Source: Websters Dictionary (01 Mar 1998) |
| left colic flexure | The bend at the junction of the transverse and descending colon. Synonym: flexura coli sinistra, splenic flexure. (05 Mar 2000) |
| lumbar flexure | The normal ventral curve of the vertebral column in the lumbar region. (05 Mar 2000) |