| flexura sacralis recti | The anteroposterior curve with concavity anteriorward of the first portion of the rectum. Synonym: flexura sacralis recti. (05 Mar 2000) |
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| flexura | Synonym: flexure. Origin: L. A bending (05 Mar 2000) |
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| flexura coli dextra | The bend of the colon at the juncture of its ascending and transverse portions. Synonym: flexura coli dextra, hepatic flexure. (05 Mar 2000) |
| flexura coli sinistra | The bend at the junction of the transverse and descending colon. Synonym: flexura coli sinistra, splenic flexure. (05 Mar 2000) |
| flexura duodeni inferior | 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) |
| flexura duodeni superior | The flexure at the junction of the superior and descending parts of the duodenum. Synonym: flexura duodeni superior. (05 Mar 2000) |
| flexura duodenojejunalis | An abrupt bend in the small intestine at the junction of the duodenum and jejunum. Synonym: flexura duodenojejunalis, duodenojejunal angle. (05 Mar 2000) |
| flexura perinealis recti | The anteroposterior curve with convexity anteriorward of the last portion of the rectum. Synonym: flexura perinealis recti, anorectal angle, anorectal flexure. (05 Mar 2000) |
| flexura sigmoidea | <anatomy> The portion of the colon that connects to the descending colon above and the rectum below. (27 Sep 1997) |
| ala sacralis | The upper surface of the lateral part of the sacrum adjacent to the body. Synonym: ala sacralis. (05 Mar 2000) |
| ansa sacralis | A nerve cord connecting one or both of the sympathetic nerve trunks with the ganglion impar. (05 Mar 2000) |
| arteria sacralis lateralis | <anatomy, artery> Usually one of two arteries which arise from the internal iliac artery or its branches; they supply muscles and skin in the neighborhood and send branches into the sacral canal, supplying radicular and spinal arteries, and continuing on to the skin and subcutaneous tissues overlying the sacrum. Synonym: arteria sacralis lateralis. (05 Mar 2000) |
| arteria sacralis mediana | <anatomy, artery> Origin, posterior aspect of abdominal aorta just above the bifurcation; distribution, lower lumbar vertebrae, sacrum, and coccyx; anastomoses, lateral sacral, superior and middle rectal. Synonym: arteria sacralis mediana, middle sacral artery. (05 Mar 2000) |
| canalis sacralis | The continuation of the vertebral canal in the sacrum. Synonym: canalis sacralis. (05 Mar 2000) |
| vena sacralis mediana | <anatomy, vein> An unpaired vein accompanying the middle sacral artery receiving blood from the sacral venous plexus and emptying into the left common iliac vein. Synonym: vena sacralis mediana. (05 Mar 2000) |
| pars sacralis medullae spinalis | The part of the cord from which consists of the five sacral segments of the spinal cord (S1-S5) and from which five pairs of sacral nerves originate. Synonym: pars sacralis medullae spinalis, segmenta medullae spinalis sacralia. (05 Mar 2000) |
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