The Male Anatomy

 

Anus: The opening located just below the Scrotum or end of the digestive tract is a passage that releases bowel contents from the body.

Bladder: A triangular-shaped, hollow and elastic organ located in the lower abdomen is designed to preserves urine for excretion. It is held in place by ligaments that are attached to other organs and the pelvic bones.

Rectum: The rectum is a muscular tube about 5 inches long. It is the end of the large intestine (colon). The rectum stores the solid waste until it leaves the body through the anus.

Epididymis: The epididymis is a c-shaped structure at the back of the testes where sperm are matured and stored.

Penis: Penis is the primary reproductive organ of the male. It consists of two parallel cylindrical bodies, the corpus cavernosum, and beneath them the corpus spongiosum, through which the urethra passes. Like the clitoris in the female, penis is also sensitive and can erect up to 5 to 6 inches when sexual stimulation occurs. It does not contain bone or muscles, except for those muscles on the tip of the penis which are needed to eject urine and sperm.

Prostate Gland: The prostate gland is a muscular, walnut-sized gland, which is located just below the bladder and surrounds the bladder neck and urethra. Known as sex gland in men, it is partly muscular and partly glandular and secretes seminal fluid, a milky substance that combines with sperm to form semen.

Scrotum: A sac-like external skin that carries and protects testicles that produce sperm. It must maintain a temperature 3 or 4 degrees lower than the body in order for the testes to produce sperm.

Seminal vesicle: The seminal vesicles are a pair of glands on the posterior surface of the urinary bladder. They secrete a significant proportion of the fluid that ultimately becomes semen. About 60% of the seminal fluid in humans originates from the seminal vesicles.

Testes: Testes are two small organs that are found inside the scrotum. The testes are responsible for making sperm and are also involved in producing a hormone called testosterone.

Urethra: Urethra is a canal that passes through the penis and also serves as the duct for the release of urine and sperm. The inside of the urethra has a spiral groove, which makes the urine flow in a wide stream.

Vas deferens: The main duct through which semen is carried from the epididymis to the ejaculatory duct. During ejaculation the smooth muscle in the walls of the vas deferens contracts reflexively, thus propelling the sperm forward.