Summary ANATOMY OF THE REPRODUCTIVE SYSTEM

MALE/FEMALE EXTERNAL STRUCTURES ANATOMY Male :Penis Location and Description • The penis has a fixed root and a body that hangs • The root of the penis is made up of three masses of erectile tissue called the bulb of the penis and the right and left crura of the penis CONT… • The bulb is situated in the midline and is attached to the undersurface of the urogenital diaphragm. • It is traversed by the urethra and is covered on its outer surface by the bulbospongiosus muscles. • Each crus is attached to the side of the pubic arch and is covered on its outer surface by the ischiocavernosus muscle.   CONT… • The bulb is continued forward into the body of the penis and forms the corpus spongiosum • The two crura converge anteriorly and come to lie side by side in the dorsal part of the body of the penis, forming the corpora cavernosa Body of the Penis • The body of the penis is essentially composed of three cylinders of erectile tissue enclosed in a tubular sheath of fascia (Buck’s fascia). • The erectile tissue is made up of two dorsally placed corpora cavernosa and a single corpus spongiosum applied to their ventral surface.