Definition for Difference between revisions of "Yolk sac"
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(Created page with "An extraembryonic membrane in the amniotic egg that encloses a stockpile of nutrients, in the form of yolk, for the developing embryo.") |
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Latest revision as of 00:42, 26 January 2011
An extraembryonic membrane in the amniotic egg that encloses a stockpile of nutrients, in the form of yolk, for the developing embryo.