tunica


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to tunica: tunica intima, tunica adventitia, tunica externa, tunica media, tunica albuginea

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·nic

(tū'nik),
Coat or covering; one of the enveloping layers of a part, especially one of the coats of a blood vessel or other tubular structure.
See also: layer.
Synonym(s): tunica
[L. tunica]

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.
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.
Enlarge picture
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.

tunica

(to͞o′nĭ-kə, tyo͞o′-)
n. pl. tuni·cae (-kē′, -sē′)
An enclosing membrane or layer of tissue.

tunica

[t(y)o̅o̅′nikə]
Etymology: L, tunic
an enveloping coat or covering membrane.

tu·nic

(tū'nik)
Coat or covering; one of the enveloping layers of a part, especially one of the coats of a blood vessel or other tubular structure.
Synonym(s): tunica.
[L. tunica]

tunica

A covering or investing membrane or layer of tissue.

tunica

any layer of tissue or membrane that encloses a structure or organ in either an animal or plant.

tunica

pl. tunicae [L.] a covering or coat; a membranous covering of an organ or a distinct layer of the wall of a hollow structure, as a blood vessel. See also tunic.

tunica adventitia
the outer coat of various organs, blood vessels and other structures, usually made up of loose connective tissue.
tunica albuginea
a dense, white, fibrous sheath enclosing a part or organ, such as is present on the testis.
tunica albuginea ovarii
see tunica ovarii (below).
tunica conjunctiva
the conjunctiva.
tunica dartos
dartos.
tunica externa
an outer coat, especially the fibroelastic coat of a blood vessel.
tunica flava abdominis
an extensive sheet of elastic tissue that helps to support the abdomen. It is conspicuous in large animals as a yellow corset over the ventral abdomen and is a modified part of the deep fascia and aponeurosis of the external abdominal oblique muscle. It contributes to the deep fascia for the mammary gland or the scrotum.
tunica intima
the innermost coat of blood vessels; called also Bichat's tunic.
tunica media
the middle coat of blood vessels.
tunica mucosa
the mucous membrane lining of various tubular structures.
tunica muscularis
the muscular coat or layer surrounding the tela submucosa in most portions of the digestive, respiratory, urinary and genital tracts.
tunica ovarii
capsule of dense collagenous tissue, underlying the covering epithelium, covers each ovary. Called also tunica albuginea ovarii.
tunica propria
the proper coat or layer of a part, as distinguished from an investing membrane.
tunica serosa
the membrane lining the external walls of the body cavities and coating the surfaces of intruding organs; it secretes a watery exudate.
tunica vaginalis
the double-layered sleeve of peritoneum that lines the scrotum and inguinal canal (parietal layer) and invests the testis, epididymis and spermatic cord (visceral layer).
tunica vasculosa
a vascular coat, or a layer well supplied with blood vessels, e.g. of the eye.
tunica vasculosa lentis
vascular envelope of the lens in the developing fetus.
References in periodicals archive ?
Ultrasonography demonstrated an irregular thickening of the tunica vaginalis testis in all cases and increased blood flow to the epididymis testis.
Following this, the patient underwent an excisional biopsy for what appeared to be a primary mesothelioma of the tunica vaginalis.
We're getting the people that use to go to Tunica," he said.
The tunica vaginalis is usually thickened, with tumor coating it, or it is studded with nodules of varying size.
Thirty minutes from Memphis and less than a three-hour drive from Jackson, Tunica has become one of the nation's largest gaming destinations.
However, nowhere has there been a more profound impact on economic development than in Tunica County:
It taps into the Tunica town sewer, and though Tunica didn't help with sewer construction costs, it collects the sewer fees.
With 10 casino properties and a new 100,000-square-foot exposition center scheduled to open July 2000, Tunica can accommodate groups of up to 6,000.
Nasdaq: PENN) announced today that subject to customary regulatory approvals, Greg Hinton, 53, has been named General Manager of Hollywood Casino Tunica.
We're eager to move into our new, permanent manufacturing home in Tunica and begin production there as soon as possible.
The Mississippi River Museum is the nation's newest museum on the Mississippi River, according to the Tunica Convention and Visitor's Bureau.
The advertisers are the Tunica Convention & Visitors Bureau, Tunica RiverPark, Tunica Arena, Tunica Airport and Tunica National Golf & Tennis, as well as cooperative programs with several of the city's casino resorts and the Memphis Convention & Visitors Bureau.