File:Stage9 sem2c.jpg
Stage9_sem2c.jpg (400 × 245 pixels, file size: 16 KB, MIME type: image/jpeg)
Human Embryo (SEM)
Stage 9 day 20, somites 3-4 Full size Image
Scanning EM ventrolateral view (cut away from amniotic sac and yolk sac) showing the embryo and connecting stalk.
More ventral and rostral view of Stage9 sem1 image.
Note:
- the relative size of the embryo.
- the shape of the early folded embryonic disc and rostro-caudal bendings.
- the size and shape of the brain fold region.
- the notochordal plate on ventral surface of embryo.
- the position of the prechordal plate (cardiogenic region) ventral to brain fold.
- the connecting stalk (left).
Week: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Carnegie stage: | 1 2 3 4 | 5 6 | 7 8 9 | 10 11 12 13 | 14 15 | 16 17 | 18 19 | 20 21 22 23 |
Image Source: Scanning electron micrographs of the Carnegie stages of the early human embryos are reproduced with the permission of Prof Kathy Sulik, from embryos collected by Dr. Vekemans and Tania Attié-Bitach. Images are for educational purposes only and cannot be reproduced electronically or in writing without permission.
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current | 12:46, 22 August 2009 | 400 × 245 (16 KB) | S8600021 (talk | contribs) | Human embryo Stage 9 day 20, somites 3-4 Scanning EM ventrolateral view (cut away from amniotic sac and yolk sac) showing the embryo and connecting stalk. More ventral and rostral view of Stage9 sem1 image. Note: # the relat |
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