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DictionarySeetunicaEncyclopediaSeeTunicatunica vasculosa
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.tu·ni·ca vas·cu·lo·saany vascular layer.tu·ni·ca vas·cu·lo·sa (tū'ni-kă vas-kyū-lō'să) Any vascular layer. |