Question

What is trophoblast
thanks

Answer 1

Hi, Trophoblast is s layer of tissue on the outside of a mammalian blastula,supplying the embryo with nourishment and later forming the major part of the placenta.

Answer 2

a layer of tissue on the outside of a mammalian blastula, supplying the embryo with nourishment and later forming the major part of the placenta...............