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Sex on the Brain: Semen Prompts Female Ovulation, University Of Saskatchewan Study  
8/21/2012 7:20:31 AM

An international team of scientists led by Gregg Adams at the University of Saskatchewan has discovered that a protein in semen acts on the female brain to prompt ovulation, and is the same molecule that regulates the growth, maintenance, and survival of nerve cells. Male mammals have accessory sex glands that contribute seminal fluid to semen, but the role of this fluid and the glands that produce it are not well understood.
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