- The outermost coat or serous layer of a visceral structure that lies in the body cavities of the abdomen or thorax; it consists of a surface layer of mesothelium reinforced by irregular fibroelastic connective tissue.
- The outermost of the extraembryonic membranes that encloses the embryo and all its other membranes; it consists of somatopleure, ectoderm reinforced by somatic mesoderm; the serosa of mammalian embryos is frequently called the trophoderm.
Synonym(s): membrana serosa2
[fem. of Mod. L. serosus, serous]
See Also: chorion
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.