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Atlas of Human Embryos Chapter   Figure

allantois, amnion, amniotic cavity, amniotic duct, connecting stalk, embryonic disc, embryonic endoderm, epiblast, extra-embryonic coelom, extra-embryonic mesoblast, primitive streak, secondary umbilical vesicle cavity, trophoblastic layer

A reconstruction of half of a 13-day embryo (7801) showing the features of the embryo proper and the relations of its extraembryonic membranes (amnion, trophoblast, allantois, yolk sac and connecting stalk).


Keywords: allantois, amnion, amniotic cavity, amniotic duct, connecting stalk, embryonic disc, embryonic endoderm, epiblast, extra-embryonic coelom, extra-embryonic mesoblast, primitive streak, secondary umbilical vesicle cavity, trophoblastic layer

Source: Atlas of Human Embryos.