choriovitelline placenta

What Is Placenta And Types Of Placenta?

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What Is Placenta And Types Of Placenta? TYPES OF PLACENTA BASED ON THE SOURCE OF VASCULAR SUPPLY. • From the Vitelline circulation of the yolk sac or Allantoic circulation. provided by the allantois : 1. Chorio-vitelline/ Yolk-sac placenta – Highly vascular yolk sac fuses with. What are different types of placenta? Mammalian placentas are classified

What Are Fetal Membranes?

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What Are Fetal Membranes? Developmentally, fetal membranes are composed of two separate layers of tissues (Figure 1); (1) a single cell epithelial layer of amnion that forms the innermost lining of the uterine cavity, bathed in amniotic fluid and in constant touch with the fetus, and (2) the outer chorion trophoblast layer that forms the