Sexual Education Male Reproductive System Hormones Testosterone The male hormone that causes the testes to produce sperm The Male Reproductive System Body Basics Kid’s Health: Male Reproductive System www.kidshealth.org Organs Penis The external reproductive organ composed of spongy tissue containing many blood vessels Testes Two (Testicles) small glands that produce sperm. They hang outside the body in the scrotum Scrotum The “sac” that protects the sperm by keeping the temperature slightly below the normal body temperature Organs Epididymis The tubes in each testis join a larger coiled tube called the epididymis, located at the surface of each testis. Sperm are temporarily stored here are they mature Vas Defrens Tubes that extend from the lower end of each epididymis and connect with the urethra. Urethra A small tube that extends from the bladder as well as from each of the vas defrens through the penis and outside the body The Male Reproductive System Body Basics Kid’s Health: Male Reproductive System www.kidshealth.org Organs Seminal Glands Vesicles that are attached to the vas deferens near the base of the bladder. They excrete a fluid that mixes with sperm to make them more mobile and to provide nourishment. Sperm: male sex cell; in semen Semen: seminal fluid; released when a man ejaculates Glands Prostate Gland Small gland that surrounds the urethra. It secretes fluid which becomes part of the semen. Cowper’s Gland Located below the prostate gland, it secretes a fluid that mixes with semen and lubricates the urethra and neutralizes acid content (urine is highly acidic) before the semen is ejaculated. The secretion also creates a drop of clear fluid prior to ejaculation know as pre-ejaculatory fluid (pre-cum). Procedures & Conditions Circumcision A procedure in which the foreskin is removed. Very common in US culture. Hernia Occurs when a part of an organ pushes through an opening of the membrane or muscle that usually contains the organ. A common hernia in males is an inguinal hernia. This occurs when a weak spot in the abdominal wall located near the top of the scrotum tears. A muscle strain can cause part of the intestine to pull through into the scrotum. Conditions Sterility A condition in which a person is unable to reproduce. In a male, it can be caused by the result of producing too few sperm or sperm of poor quality. Cancers Testicular Occurs Cancer most frequently in males between the ages of 13 and 34. The first sign of testicular cancer is a slight enlargement of one of the testes. Prostate Cancer Most common form of Men should get yearly cancer among men. tests at the age of 50.