Question

What do you mean by tropoblast? ​

Answer 1

Tropoblast is 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.

Answer 2

Answer:

the layer of extraembryonic ectoderm that chiefly nourishes the embryo or develops into fetal membranes with nutritive functions.