Category : PICTURES
Last updated October 06, 2013
Penis Erection Animated Picture
Image Male Reproductive System
Picture Names of Parts of Male Genitals
Sexual Arousal leads to Erection
Release of non adrenergic, non cholinergic neuro-mediators synthesized by post ganglionic parasympathetic nerve fibers present in the cavernous nerves.
Picture below is drawn to scale. Precum or preejaculatory fluid is released on sexual arousal, just as saliva is released and mouth starts watering in a hungry man.
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Original image obtained from public domain Gray’s Anatomy