Penis WisdomCard

Our Guides and Physician Review team have organized the Top 10 Health Resources on Penis and compiled helpful research notes below.


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Research Notes on Penis


The penis is the external male sex organ and the external organ of urination. In an average adult male, the penis is typically between 2 to 3 inches long. The organ elongates during erection and length typically varies between 6 and 8 inches.1

Fast Facts:

  • Erection of the penis is due to stimulation which results in greater blood flow to the area and a constriction of those blood vessels maintain the erection.2
  • It is possible to "break" the penis.3
  • The human penis is different from most mammals in that it does not have a baculum, or erectile bone.4

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Latest Headlines on Penis

What is the Anatomy of the Penis?

What is the Histology of the Penis?

What is the Physiology and Function of the Penis?

Selected Conditions and Disorders Affecting the Penis

Wisdom, Blogs, and Message Boards about Penis

Foundations and Support Groups on Penis

Scientific and Medical Journal Articles on Penis

Clinical Trials on Penis


Research Notes References

  1. Urolog: Penis: Anatomy
  2. Answers.com: Penis
  3. CBS News: Things You Didn't Know About Your Penis
  4. Wikipedia: Penis

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