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Basin aperture lower

Basin aperture lower [apertura pelvis inferior – PNA (The anatomic nomenclature Parisian); apertura pelvis (minoris) inferior – BNA (The anatomic nomenclature Basel); exitus pelvis – JNA (The anatomic nomenclature Yenskaya); synonym: a pelvic strait] – the lower opening of a small pelvis, is limited sacral бугорными and sacral and awned sheaves, a tailbone top, a symphysis (bottom edge), sciatic hillocks, pubic and ischiums (the lower branches).

 
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