Embryo 7801 - Stage 6 | Fig. 10. Heuser,
Rock and Hertig, 1945. |
|||
The probable site of the primordium of the allantoic duct is represented by the cells (All. D.?) bordering on the dorsal margin of the lumen of the yolk sac (Y. S. Cav.). Section 155. | ||||
Click Here or on the figure to view a full size image | ||||
|