How is the yolk sac formed? What is the function of the yolk sac?
Submitted by: AdministratorThe yolk sac is formed from the covering of the vitellus by some cells originated from the primitive gut.
The yolk sac stores vitellus, the main nourishment source of nonplacental embryos.
Image Diversity: yolk sac
Submitted by: Administrator
The yolk sac stores vitellus, the main nourishment source of nonplacental embryos.
Image Diversity: yolk sac
Submitted by: Administrator
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