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Definition of Pelvic cavity
1. Noun. The space bounded by the bones of the pelvis and containing the pelvic viscera.
Medical Definition of Pelvic cavity
1. The space bounded at the sides by the bones of the pelvis, above by the superior aperture of the pelvis, and below by the pelvic diaphragm; it contains the pelvic viscera. Synonym: cavitas pelvis, cavum pelvis. (05 Mar 2000)