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Erection - Anatomy & Physiology (view source)
Revision as of 09:56, 10 July 2008
, 09:56, 10 July 2008→Erection of the Musculovascular Penis
== Erection of the Musculovascular Penis ==
== Erection of the Musculovascular Penis ==
* Stallion
* Increases in diameter during erection and protrusion.