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Atlas of Human Embryos Chapter   Figure

amniotic cavity, cloacal membrane, embryonic ectoderm, embryonic endoderm, embryonic mesoderm, extra-embryonic mesoblast, umbilical vesicle cavity

A section through the cranial part of the cloacal membrane.

Observe:
1. The union of ectoderm and endoderm forming the cloacal membrane.
2. The more laterally situated mesoderm, which is continuous with the extraembryonic mesoblast.


Keywords: amniotic cavity, cloacal membrane, embryonic ectoderm, embryonic endoderm, embryonic mesoderm, extra-embryonic mesoblast, umbilical vesicle cavity

Source: Atlas of Human Embryos.