Question

What is required for the formation of placenta?

Answer 1

Placenta:

1. An organ that connects the growing fetus to the mother until the delivery of the baby.
2. It helps in the excretion of metabolic waste and in the gaseous exchange.
3. The blastocyst (32 cell structure) forms inner cell mass and trophoblast.
4. The inner cell mass further divides and forms the fetus and fetal membrane.
5. The trophoblast divides and forms cytotrophoblast and syncytiotrophoblast.
6. Above two structures further with maternal tissue integration forms placenta.