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Dorsal view

The dorsal view of No. 7802 stage 7, which is based on a graphic reconstruction by the present writers, shows the location of the notochordal process, primitive node, primitive streak and groove, cloacal membrane, and allantoic diverticulum.

Fig. 7-4. O'Rahilly and Müller, 1987.

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Keywords: allantoic diverticulum, cloacal membrane, gastrulation (primitive) node, notochordal process, primitive groove, primitive node, primitive streak

Source: The Virtual Human Embryo.