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Definition: 'Ischial Spine'

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ischial spine

Type: Term

Definitions:
1. a pointed process from the posterior border of the ischium on a level with the lower border of the acetabulum; gives attachment to the coccygeus muscle and sacrospinous ligament; the pudendal nerve passes dorsal to the ischial spine, which is palpable per vagina or rectum, and thus is used as a target for the needle tip in administering a pudendal nerve block.

Synonyms: spina ischiadica, ischiadic spine, sciatic spine



The information shown above for ischial spine is provided by Stedman's.

* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.

Stedman's Medical Dictionary. Copyright © 2006 Lippincott Williams & Wilkins. All rights reserved.





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