PENIS

Location: termination of both urinary system and reproductive system.

Function: evacuation both semen and urine through the urethra, erectile response.

Composition:

• The skin with numerous sebaceous glands is thin and loosely attached to the loose connective tissue except at the glans.
• Tunica albuginea, a dense fibroelastic layer forms capsules around the erectile tissue.
• Erectile tissue: two corpora cavernosa with vascular sinuses and arteriovenous shunts and corpus spongiosum, in which the urethra is embedded.