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Definition: 'Sacral Hiatus'

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sacral hiatus

Type: Term

Definitions:
1. a normally occurring gap at the lower end of the sacrum, exposing the vertebral canal, due to failure of the laminae of the last sacral segment to coalesce. It is closed by the sacrococcygeal ligament and provides cannular access to the sacral epidural space for administration of anesthetics (caudal nerve blocks).

Synonyms: hiatus sacralis



The information shown above for sacral hiatus 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.

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








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