释义 |
DictionarySeeserosaEncyclopediaSeeChorionmembrana serosa
se·ro·sa (se-rō'să), [TA] Do not confuse this word with cirrhosis or sclerosis.1. 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. See also: chorion. 2. The outermost of the extraembryonic membranes that encloses the embryo and all its other membranes; it consists of somatopleure, that is, ectoderm reinforced by somatic mesoderm; the serosa of mammalian embryos is frequently called the trophoderm. See also: chorion. Synonym(s): membrana serosa (2) Synonym(s): tunica serosa [TA], serous coat ☆ , membrana serosa (1) , serous membrane, serous tunic [fem. of Mod. L. serosus, serous] membrana serosa (1) Chorion [[NE3]]. (2) Serosa; tunica serosa [NA6].cho·ri·on (kōr'ē-on) The multilayered, outermost fetal membrane consisting of extraembryonic somatic mesoderm, trophoblast, and, on the maternal surface, its villi are bathed by maternal blood; as pregnancy progresses, part of the villous chorion becomes the fetal part of placenta. Synonym(s): membrana serosa (1) . [G. chorion, membrane enclosing the fetus]
se·ro·sa (sēr-ō'să) [TA] 1. The outermost coat or serous layer of a visceral structure that lies in a body cavity (abdomen or thorax); it consists of a surface layer of mesothelium reinforced by irregular fibroelastic connective tissue. 2. The outermost of the extraembryonic membranes, which encloses the embryo and all its other membranes; it consists of ectoderm reinforced by somatic mesoderm; the serosa of mammalian embryos is frequently called the trophoderm. Synonym(s): membrana serosa (2) . See also: chorion Synonym(s): membrana serosa (1) , serous membrane. [fem. of Mod. L. serosus, serous]ThesaurusSeechorion |