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Carnegie Stage   Figure

Part of abembryonic trophoblast

Part of abembryonic trophoblast

Part of the abembryonic trophoblast, to show its undifferentiated character and the delamination in situ of primitive extra-embryonic mesoblast from the trophoblast. The overlying endometrium is thin and atrophic on the right and necrotic on the left.

Fig. 26. Hertig and Rock, 1941.


Keywords: abembryonic trophoblast, endometrium, primitive extra-embryonic mesoblast, trophoblast


Source: The Virtual Human Embryo.