End of Gastrulation, Yolk Plug Stage
On the left is a scanning EM picture looking at the closure of the blastopore and the endoderm yolk-laden cells forming the "yolk plug". On the right is a cross-section through a model depicting late gastrulation. Note the Yolk Plug at the 3'oclock position.
| Scanning EM Picture | Model, Cross-Section |
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