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Definition of Thoracic cavity
1. Noun. The cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart.
Exact synonyms: Chest Cavity
Generic synonyms: Bodily Cavity, Cavity, Cavum
Terms within: Mediastinum
Group relationships: Chest, Pectus, Thorax
Generic synonyms: Bodily Cavity, Cavity, Cavum
Terms within: Mediastinum
Group relationships: Chest, Pectus, Thorax
Medical Definition of Thoracic cavity
1. The space within the thoracic walls, bounded below by the diaphragm and above by the neck. Synonym: cavitas thoracis, cavum thoracis. (05 Mar 2000)