FETAL MEMBRANES Placenta Nutrition
FETAL MEMBRANES Placenta Nutrition
FETAL MEMBRANES Placenta Nutrition
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Yolk sac<br />
<br />
<br />
<br />
<br />
Transfer and metabolism of nutrients – as<br />
liver<br />
Development of blood cells and vessels<br />
-vitelline vascular system<br />
Participation on formation of primitive<br />
gut<br />
Primordial gamets in endoderm of yolk<br />
sac during 3 rd week