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Tunica Albuginea of Corpus Spongiosum Penis (Left Half)
Urogenital System

Tunica Albuginea of Corpus Spongiosum Penis (Left Half)

Tunica albuginea corporis spongiosi penis

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Key Features/ Anatomical Relations

Due to the smaller density of erectile tissue in the corpus spongiosum, the tunica albuginea is thinner in comparison to the thick tunica albuginea covering the corpus cavernosum.

Function

The elastic nature of the tunica albuginea allows blood to flow easily through the dorsal arteries of the penis to initiate an erection. The deep fascia of the penis is less elastic and puts pressure on the dorsal vein of the penis nearer the root to prevent blood from leaving the penis.

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Tunica Albuginea

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The tunica albuginea is a layer of fibrous tissue immediately deep to the epithelium.

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