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Definition of Body cavity
1. Noun. The cavity within the body of animals which contains the viscera. ¹
¹ Source: wiktionary.com
Medical Definition of Body cavity
1. The collective visceral cavity of the trunk (thoracic cavity plus abdominopelvic cavity), bounded by the superior thoracic aperture above, the pelvic floor below, and the body walls (parietes) in between. Synonym: celom, celoma, coelom. (05 Mar 2000)