The cavity in the torso of all creatures greater than the coelenterates and specific primitive worms, formed because of the splitting regarding the embryonic mesoderm into two layers. In animals it types the peritoneal, pleural, and pericardial cavities. Also referred to as human anatomy cavity.
A fluid-filled hole in the body of an animal. The digestive system is suspended in the hole, that will be lined by a tissue known as the peritoneum.
a cavity in the mesoderm of an embryo that provides rise in people toward pleural cavity and pericardial hole and peritoneal cavity