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Male reproductive anatomy
Male reproductive anatomy


Definition:

The penis is the male organ used for urination and sexual intercourse. The penis is located above the scrotum . It is made of spongy tissue and blood vessels.

The shaft of the penis surrounds the urethra and is connected to the pubic bone.

The foreskin covers the head (glans) of the penis. The foreskin is removed if the boy is circumcised.



Information:

During puberty, the penis lengthens. The ability to ejaculate begins around 12 to 14 years of age. Ejaculation is the release of sperm-containing fluid from the penis during an orgasm.

Conditions of the penis include:

  • Chordee -- downward curve of the penis
  • Epispadias -- urethra opening is on the top or side of the penis, rather than the tip
  • Hypospadias -- urethra opening is on the underside of the penis, rather than at the tip
  • Palmatus or webbed penis -- penis is enclosed by the scrotum
  • Peyronie's disease -- a curve during an erection
See also:

References:

Behrman RE, Kliegman RM, Jenson HB, eds. Nelson Textbook of Pediatrics. 17th ed. Philadelphia, Pa: WB Saunders; 2004.

Wein AJ, ed. Campbell - Walsh Urology. 9th ed. St. Louis, Mo: WB Saunders; 2007.




Review Date: 5/22/2008
Reviewed By: Scott M. Gilbert, MD, Department of Urology, Columbia-Presbyterian Medical Center, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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789 Central Avenue, Dover, NH 03820
Phone: (603) 742-5252
Toll free: 1 (877) 201-7100