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

During the 4th-8th weeks, all major organ systems begin to develop from the three germ layers: Ectoderm, Mesoderm, and Endoderm

The placenta is divided by decidual septa into a number of compartments called cotyledons

Each of the following structures is derived from the neural crest EXCEPT:

Trophoblast cells in the morula give rise to the epiblast and hypoblast

Fertilization typically occurs in which structures of the female reproductive system:

Select the correct answer for the indicated identification.

During the second week, lacunar networks develop within the

At the end of the 1st week of development, the trophoblast differentiates into which two layers:

Which of the following layers of the embryo is recognizable at the end of the first week of development?