| iliolumbar | <anatomy> Pertaining to the iliac and lumbar regions; as, the iliolumbar artery. Source: Websters Dictionary (01 Mar 1998) |
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| iliolumbar artery | <anatomy, artery> Origin, internal iliac; distribution, pelvic muscles and bones; anastomoses, deep circumflex iliac, lumbar. Synonym: arteria iliolumbalis. (05 Mar 2000) |
| iliolumbar ligament | <anatomy> The strong ligament that connects the fourth and fifth lumbar vertebrae with the ilium, spanning the "notch" between the vertebral column and the wing of the ileum. Synonym: ligamentum iliolumbale. (05 Mar 2000) |
| iliolumbar vein | <anatomy, vein> Accompanying the artery of the same name, anastomosing with the lumbar and deep circumflex iliac veins, and emptying into the internal iliac vein. Synonym: vena iliolumbalis. (05 Mar 2000) |
| iliac branch of iliolumbar artery | <anatomy, artery> Terminal branch of iliolumbar artery (with lumbar branch) distributed to iliac fossa to supply iliac muscle, ilium, and portions of muscles having attachment to the iliac crest. Synonym: ramus iliacus arteriae iliolumbalis. (05 Mar 2000) |
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| lumbar branch of iliolumbar artery | <anatomy, artery> Terminal branch of iliolumbar artery (with iliac branch) which ascends to supply psoas major and quadratus lumborum muscles; anastomosis: fourth lumbar artery. Synonym: ramus lumbalis arteriae iliolumbalis. (05 Mar 2000) |