TAILIEUCHUNG - MEN’S BUSINESS A to Z

allowing the collected urine to pass into the urethra and from there to the outside. EPIDIDYMIS The network of sperm collecting and storing ducts at the back of the testes is called the epididymis. It drains the sperm into the vas deferens. | Dr. Warwick Carter Men s Business AtoZ A simple guide to the genital and urinary systems of men their anatomy symptoms investigation diseases management function and physiology MEN S BUSINESS A to Z Men s Business A TO Z A simple guide to the genital and Urinary systems of men their anatomy symptoms investigation diseases management function and physiology Dr. Warwick Carter 2 MEN S BUSINESS A to Z MALE ANATOMY BLADDER The urinary bladder is situated deep in the pelvis behind the pubic bone and is linked to the kidneys by two long tubes called the ureters and to the outside of the body by another tube called the urethra. The kidneys constantly manufacture urine from the body s waste products. The bladder is a hollow bag in which urine is stored before being excreted at a convenient time. It has a capacity of about 500 mL and as it fills up the elastic walls are stretched giving rise to the urge to urinate. On an appropriate signal from the brain the muscles around the bladder contract at the same time as a ring of muscle at the bottom of the bladder is relaxed allowing the collected urine to pass into the urethra and from there to the outside. EPIDIDYMIS The network of sperm collecting and storing ducts at the back of the testes is called the epididymis. It drains the sperm into the vas deferens. Cancer of the epididymis is the rarest of all cancers with virtually no recorded cases. PENIS The penis phallus has the twin tasks of passing urine out of the body in a controlled manner and being the organ used in male sexual intercourse. During sex its length is designed to allow sperm to be deposited as close to the cervix as possible. At rest the penis is a soft sausage like structure hanging limply down from the base of the abdomen where it is attached to the bones of the pelvis. However it is made up of several masses of spongy tissue corpus cavernosum and these fill with blood when the man is sexually aroused so that the penis becomes firm erect and distended and is

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