Trophoblasts Sentence Examples

In a healthy pregnancy, fetal cells called trophoblasts do this by ' invading ' the uterus, while communicating with maternal immune cells.

As cell division continues, a fluid-filled cavity called a blastocoele forms in the center of the group of cells, with the outer shell of cells called trophoblasts and an inner mass of cells called embryoblasts.

Hormones secreted from the mother's ovaries and a chemical secreted by the trophoblasts begin to prepare the uterine wall.