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From The Merck Manual of Diagnosis and Therapy, Edition 18, pp. 1947-1950, and pp. 2099-2104, edited by Mark H. Beers.
Copyright 2006 by Merck & Co., Inc., Whitehouse Station, NJ. Available at: http://www.merck.com/mmpe/index.html.
The external structures of the male reproductive system include the penis and scrotum. The internal structures include the vas deferens, testes (testicles), urethra, prostate gland, and seminal vesicles.
The sperm, which carries the man’s genes, is made in the testes and stored in the seminal vesicles. During ejaculation, the sperm is transported along with a fluid called semen through the vas deferens and the erect penis.
Male Reproductive Organs
