The little ball thing floating over its head is the yolk sac, which nourishes the embryo while the placenta and the digestive system are forming. I like to joke it's Bunky's party hat.
Tuesday, March 31, 2009
Picture...
The little ball thing floating over its head is the yolk sac, which nourishes the embryo while the placenta and the digestive system are forming. I like to joke it's Bunky's party hat.
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