Compounds Block Sperm's Power Kick (IMAGE)

University of California - Berkeley

Compounds Block Sperm's Power Kick

Caption

Compounds extracted from two plants, thunder god vine and aloe, prevent hyperactivation in sperm, the power kick necessary to fertilize the egg. The compounds are potential emergency contraceptives.

Credit

UC Berkeley illustration by Carin Cain: <a target="_blank"href="http://www.carincain.com/home/">http://www.carincain.com/home/</a>

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