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Embryo Stages Animations Review Questions |
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| Stereo View | Stereo View |
- 0.2 mm in size
- Implanted Ovum
- Primitive unbranched villi
- Distinct yolk sac
- Germ disc is oval shaped
- Axial differentiation is just appearing.
- Ovulation Age: 13 - 15 days
Question: What is the shape of the germ disc in stage six?
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Developmental Stages in Human Embryos by Ronan O'Rahilly and Fabiola Müller. Published by Carnegie Institution of Washington, Publication 637. 1987. |
Stage 5
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Stage 7
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