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Gross Anatomy II Palmer Exam 4 Practice

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The covering of the corpus cavernosum is the:
Correct Answer:
Tunica albuginea
Explanation:
The covering of the corpus cavernosum is the tunica albuginea. This dense fibrous capsule surrounds each corpus cavernosum, forming the firm outer boundary that helps trap blood and generate the rigid erection by increasing intracavernosal pressure. Buck's fascia, the deep penile fascia, lies outside this capsule and envelops all erectile bodies as a superficial layer, so it is not the direct covering of the corpus cavernosum. Dartos fascia is a superficial fascial layer of the scrotum and penile skin, not the enclosure of the corporal tissue.

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