Tagged: Chorion

November 16, 2020

Fetal membrane layers, Chorion, Amnion, Yolk sac and umbilical cord

Fetal membranes are all the membranes that develop from the zygote and they do not share in the formation of the embryo (extraembryonic structures from the primitive blastomeres). Fetal membranes are Chorion, Amnion, Yolk...

Second & third week of Embryonic development

Biology

November 12, 2020

Second & third week of Embryonic development, Chorion & types of Chorionic villi

The embryo is the early stage of the development of the multicellular organism. Each embryo starts development as the zygote, a single cell resulting from the fusion of gametes, The zygote undergoes many rapid...