Relevant anatomy

Relevant Anatomy of penis

The two corpora cavernosa and the corpus spongiosum of the urethra with the glans form the penis.

 

These structures are made from erectile tissue surrounded by the tunica albuginea (Buck fascia) and by the dartos fascia more superficially, which contains terminal branches of external pudendal arteries and veins, pudendal nerves, and the superficial lymphatics.

Transverse section of the penis at midshaft level. From outside, the dartos fascia is visible with the blood vessels, the tunica albuginea surrounding the corpora cavernosa, and, in a ventral position, the urethra surrounded by its erectile tissue.

 

The normal male urethra runs from the bladder through the penile shaft, ventrally to the corpora cavernosa, and sorts with the external urethral meatus at the tip of the glans.

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