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Medical Definition of Iliacosubfascial fossa
1. A peritoneal recess between the psoas muscle and the crest of the ilium. Synonym: Biesiadecki's fossa, fossa iliacosubfascialis. (05 Mar 2000)
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1. A peritoneal recess between the psoas muscle and the crest of the ilium. Synonym: Biesiadecki's fossa, fossa iliacosubfascialis. (05 Mar 2000)