Definition for Placenta
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Revision as of 20:01, 1 February 2011 by Sammy (Talk | contribs) (Created page with "A structure through which humans and other eutherian mammals retain and nourish their young within the uterus via the transfer of nutrients and gases.")
A structure through which humans and other eutherian mammals retain and nourish their young within the uterus via the transfer of nutrients and gases.