coelomate
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- The coelom ("sea-lum") is a fluid filled cavity formed within the mesoderm. Coeloms developed in triploblasts but were subsequently lost in several lineages. Loss of coelom is correlated with reduction in body size. ...
- (Coelomates) By the broadest definition, a body cavity is any fluid filled space in a multicellular organism. However, the term usually refers to the space, located between an animal’s outer covering (epidermis) and the outer lining of the gut cavity, where internal organs develop. ...
- Any animal possessing a fluid-filled cavity within which the digestive system is suspended; Having a coelom
- (Coelomates) (also known as eucoelomates--"true coelom") have a fluid filled body cavity called a coelom (pronounced /ˈsiːləm/) with a complete lining called peritoneum derived from mesoderm (one of the three primary tissue layers). ...