The somites give rise to much of the nervous system

The amniotic cavity appears on the 8th day as a slit-like space between the trophoblast and the

A primary influence in the folding of the trilaminar disc is the growth of the nervous system

The indicated location is a site of fusion of the embryonic ectoderm and endoderm.

The intraembryonic coelom located cranial to the oropharyngeal membrane becomes the

Embryotroph is formed in the lacunar network and provides nutrition to the early embryo.

The syncytiotrophoblast

What stage of labor is indicated in the image?

By the middle of the 4th week, the neural folds at the cranial end of the embryo have begun to develop into the

Intervillous spaces are places where maternal and fetal blood can mix and exchange nutrients