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Semen is a thick, cloudy, white substance that contains sperm and other fluids. Semen is released, or ejaculated, from the penis during a man's sexual climax (orgasm).
The amount of semen ejaculated varies from between a few drops to about 1 tsp (4.9 mL) and usually contains between 40 million and 600 million sperm.
Current as of:
May 28, 2019
E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & Christopher G. Wood, MD, FACS - Urology
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