| Biesiadecki's fossa | 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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| Biesiadecki, Alfred von | <person> Polish physician, 1839-1888. See: Biesiadecki's fossa. (05 Mar 2000) |