Skin above the pubis, penis, and scrotum.Runs on the dorsum of the penis to the glans.Travels in the suspensory ligament of the penis.Exits inferior fascia of the urogenital diaphragm.Travels between the crus penis and pubic symphysis. Travels to the bulb of the urethra and the posterior corpus spongiosum.Travels between superior and inferior fascia of the urogenital diaphragm.Enters the perineum through the lesser sciatic foramen.Exits the pelvis through the greater sciatic foramen.Compress the crura to move blood into the body of the penis and maintain erections.Empty the urethra of residual semen/urine and contribute to erection.Urethral glands ( glands of Littre): present along the length of the penile urethra.Fossa navicularis: opening of the external urethra.Runs from the deep surface of the body to the prepuce.Attached to the frenulum and covered by foreskin.Glans penis: the distal end of the corpus spongiosum.Location: dorsal and proximal to the corpus spongiosum.Function: keeps the urethra open during erection.Location: lies ventrally between the corpora cavernosa.Body (shaft): contains the erectile tissue.The bulb is a continuation of the corpus spongiosum.Two crura anchor the corpora cavernosa to the pubic arch.Root: composed of the bulb of the penis and two crura.Primarily composed of erectile tissue, blood vessels, nerves, and connective tissue Urination and release of semen Gross anatomy
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