Could the sperm harpoon the egg to facilitate fertilization? That’s the intriguing possibility raised by the discovery that a protein within the head of the sperm forms spiky filaments, suggesting that these tiny filaments may lash together the sperm and its target.
http://www.sciencedaily.com/releases/2015/08/150826102217.htm
Fertilization discovery: Do sperm wield tiny harpoons?
26 agosto 2015
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