File:Stage9 sem5b.jpg: Difference between revisions

Human Embryo - Carnegie Stage 9

Stage 9 day 20, somites 3-4

Cranial view (amniotic sac cut away) showing the embryo, cut amnion and yolk edge.

Note:

1. the shape of the early folded embryonic disc and rostro-caudal bendings.
2. the large neural groove.
3. the brain folds.
4. the stomedeal/buccopharyngeal region.
5. the ventral cardiogenic region.

Carnegie Stage 9 Image Links: (below are listed image size versions of each image)

• Light Image dorsal - Large 1000px | 800px | Medium 600px | Small 400px
• Light Image ventrolateral - Large 1000px | 800px | Medium 600px | Small 400px
• Light Image lateral - Large 1000px | 800px | Medium 600px | Small 400px
• SEM Dorsal - Large 1000px | 800px | Medium 600px | Small 400px
• SEM Cranial Neural fold - Large 1000px | 800px | Medium 600px | Small 400px
• SEM Caudal Region - Large 1000px | 800px | Medium 600px | Small 400px
• SEM Caudal Region cross section- Large 1000px | 800px | Medium 600px | Small 400px

Carnegie Stages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | About Stages | Timeline

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.

Embryonic Development

Cite this page: Hill, M.A. (2024, April 20) Embryology Stage9 sem5b.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage9_sem5b.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G