| 释义 |
body cavity
noun
: a cavity within an animal body; specifically : the more of less complete space intervening in all higher animals between the body wall and the digestive tract and in mammals and birds divided by the diaphragm into an anterior thoracic cavity that contains heart, lungs, and esophagus and a peritoneal cavity that contains the remainder of the digestive system, the internal parts of the reproductive system, and certain other organs — see coelom |