| tunica albuginea | <anatomy> The whitish membrane within the penis that surrounds the spongy chambers (corpora cavernosa) in the penis and which helps to trap the blood in the corpora cavernosa, thereby sustaining erection of the penis. The term comes straight from the latin tunica (covering or coat) + albuginea (white) = a covering that is white, like the white (albumen) of an egg. (17 Dec 1998) |
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| tunica albuginea corporis spongiosi | <anatomy> The thick layer of fibrous tissue surrounding the corpus spongiosum penis. It is thinner than the corresponding layer around each corpus cavernosum. Synonym: tunica albuginea corporis spongiosi, fibrous tunic of corpus spongiosum. (05 Mar 2000) |
| tunica albuginea corporum cavernosorum | <anatomy> A strong, fibrous membrane enveloping the corpora cavernosa penis. Synonym: tunica albuginea corporum cavernosorum. (05 Mar 2000) |
| tunica albuginea oculi | <anatomy> The tough white outer coat of the eyeball, covering approximately the posterior five sixths of its surface and continuous anteriorly with the cornea and posteriorly with the external sheath of the optic nerve. Origin: L., Gr. Skleros = hard (18 Nov 1997) |
| tunica albuginea of corpora cavernosi | <anatomy> A strong, fibrous membrane enveloping the corpora cavernosa penis. Synonym: tunica albuginea corporum cavernosorum. (05 Mar 2000) |
| tunica albuginea of corpus spongiosum | <anatomy> The thick layer of fibrous tissue surrounding the corpus spongiosum penis. It is thinner than the corresponding layer around each corpus cavernosum. Synonym: tunica albuginea corporis spongiosi, fibrous tunic of corpus spongiosum. (05 Mar 2000) |
| tunica albuginea of testis | <anatomy> A thick white layer of fibrous membrane forming the outer coat of the testis. Synonym: tunica albuginea testis, perididymis. (05 Mar 2000) |
| tunica albuginea testis | <anatomy> A thick white layer of fibrous membrane forming the outer coat of the testis. Synonym: tunica albuginea testis, perididymis. (05 Mar 2000) |
| tunica carnea | A layer of smooth muscular tissue in the integument of the scrotum. See: dartos muliebris. Synonym: tunica dartos, dartos muscle, membrana carnosa, tunica carnea. (05 Mar 2000) |
| tunica conjunctiva | A clear membrane that coats the inner aspect of the eyelids and the outer surface of the eye. (27 Sep 1997) |
| tunica conjunctiva bulbi | The part of the conjunctiva covering the anterior surface of the sclera and the surface epithelium of the cornea. Synonym: tunica conjunctiva bulbi, conjunctival layer of bulb. (05 Mar 2000) |
| tunica conjunctiva palpebrarum | The part of the conjunctiva lining the posterior surface of the eyelids and continuous with the bulbar conjunctiva at the conjunctival fornices. Synonym: tunica conjunctiva palpebrarum, conjunctival layer of eyelids. (05 Mar 2000) |
| tunica dartos | A layer of smooth muscular tissue in the integument of the scrotum. See: dartos muliebris. Synonym: tunica dartos, dartos muscle, membrana carnosa, tunica carnea. (05 Mar 2000) |
| tunica elastica | <anatomy> Tunica media of large arteries. (05 Mar 2000) |
| tunica externa | <anatomy> The outer of two or more enveloping layers of any structure, specifically, the outer fibroelastic coat of a blood or lymph vessel. Synonym: tunica extima. (05 Mar 2000) |