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DictionarySeeserosaEncyclopediaSeeSerous Membranetunica serosa
tunica [too´nĭ-kah] (L.) a tunic or coat; used in anatomic nomenclature to designate a membranous covering of an organ or a distinct layer of the wall of a hollow structure, as a blood vessel.tunica adventi´tia the outer coat of various tubular structures.tunica albugi´nea a dense white fibrous sheath that encloses a part or organ, such as the testicle or ovary.tunica conjuncti´va the conjunctiva.tunica dar´tos dartos.tunica exter´na an outer coat, such as the fibroelastic coat of a blood vessel.tunica inter´na an inner coat or layer.tunica in´tima the innermost coat of a blood vessel; called also Bichat's tunic.tunica me´dia the muscular middle coat of a blood vessel.tunica muco´sa the mucous membrane lining of various tubular structures.tunica muscula´ris the muscular coat or layer surrounding the tela submucosa in most portions of the digestive, respiratory, urinary, and genital tracts.tunica pro´pria the proper coat or layer of a part, as distinguished from an investing membrane.tunica sero´sa the membrane lining the external walls of the body cavities and reflected over the surfaces of protruding organs; it secretes a watery exudate.tunica vagina´lis tes´tis the serous membrane covering the front and sides of the testis and epididymis.tunica vasculo´sa a vascular coat, or a layer well supplied with blood vessels.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] serosa A virtual connective-tissue membrane covered by a single layer of mesothelial cells, which lines body cavities (e.g., pericardium, peritoneum, pleura) and covers the outer surface of organs (e.g., heart, intestines, and lungs) present in those cavities.ThesaurusSeeserous membrane |