tunica vaginalis testis

tunica /tu·ni·ca/ (too´nĭ-kah) pl. tu´nicae   [L.] a tunic; in anatomy, a general term for a membrane or other structure covering or lining a body part or organ.

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tunica adventi´tia  the outer coat of various tubular structures, made up of connective tissue and elastic fibers.

tunica adventi´tia vaso´rum  t. externa vasorum.

tunica albugi´nea  a dense, white, fibrous sheath enclosing a part or organ.

tunica conjuncti´va  the conjunctiva.

tunica dar´tos  the thin layer of subcutaneous tissue underlying the skin of the scrotum, consisting mainly of the dartos muscle.

tunica exter´na  an outer coat or layer.

tunica exter´na vaso´rum  the outer, fibroelastic coat of the blood vessels.

tunica fibro´sa  fibrous coat; an enveloping fibrous membrane.

tunica inter´na  an inner coat or layer.

tunica in´tima vaso´rum  the innermost coat of blood vessels.

tunica me´dia vaso´rum  the middle coat of blood vessels.

tunica muco´sa  the mucous membrane lining of various tubular structures.

Tunica mucosa lining the walls of the small intestine.

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  a 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.

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tunica vag·i·na·lis tes·tis (vj-nls tsts)

n.

The serous sheath of the testis and epididymis, derived from the peritoneum, and consisting of an outer and inner serous layer.

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tunica vaginalis testis,

the serous membrane surrounding the testis and epididymis, derived from the peritoneum.