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Allantoic duct

The probable site of the primordium of the allantoic duct is represented by the cells (All. D.?) bordering on the dorsal margin of the cavity of the secondary umbilical vesicle (Y. S. Cav.). Section 155.

Fig. 10. Heuser et al., 1945.

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Keywords: allantoic duct, amniotic cavity, primordium of the allantoic duct, secondary umbilical vesicle cavity

Source: The Virtual Human Embryo.