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• n  the male reproductive cell; the male gamete
  a sperm is mostly a nucleus surrounded by little other cellular material

• Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field .
• A human egg surrounded by sperm.
• Europe's patchwork of rules for sperm donation has allowed a Danish firm to rule the market.

• sperm cell
• spermatozoon
• spermatozoan

News & Articles

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• Bee Sperm Bank: Scientists Saving Bees by Freezing Their Semen
  Entomologists in Washington are Starting the World's First Bee Sperm Bank
  June 15, 2013 - ABC News via Yahoo! News
• Stress experienced by men alters sperm and affects children
  PHILADELPHIA, June 14 (UPI) -- Stress as a pre-adolescent or adult leaves a lasting impression on a dad's sperm that gives his kids a blunted reaction to stress, U.S. researchers say.
  June 15, 2013 - UPI
• Using Sperm After Death?
  Is it ethical to use a dead man's sperm to father a child? Experts are calling for a consensus on policies surrounding this question, which currently vary widely across the country.
  June 11, 2013 - Fox News

Quotes

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• Karim Nayernia in AFP
  Nayernia said: "This is an important development as it will allow researchers to study in detail how sperm forms and lead to a better understanding of infertility in men -- why it happens and what is causing it. This understanding could help us...
• Denise Richards in hecklerspray
  That e-mail is not legitimate,Richards, 37, told interviewer Matt Lauer. "It'sa doctored e-mail. I would never send an e-mail to his : girlfriend, and, at the time of that e-mail, I was with Richie [Sambora]. If I wanted anybody's sperm,...
• Hugh Hefner in E! Online
  With my sperm count, it's not possible,Hefner explained. "I was willing but it was not possible:She'd like to be married and have children, but it's not in the cards here for me."