File:Stage10 sem6.jpg

Human Embryo (Carnegie Stage 10)

• Week 4, 22 - 23 days, 2 - 3.5 mm, Somite number 4 - 12
• Scanning electron micrograph dorsal view of Carnegie Stage 10 embryo.
• Neural groove forming from neural plate on upper surface.
  • large brain fold region to top of image.
  • narrow spinal cord region to bottom of image.
• Heart bulge can be seen on right ventral surface.
• Connecting stalk to the bottom of the image.
• Amniotic membrane cut edge shown at edge of developing embryo.

Links: vertical view | horizontal view | Carnegie stage 10 | Lecture - Early Neural | Neural System Development | Week 4

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

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

Cite this page: Hill, M.A. (2026, October 25) Embryology Stage10 sem6.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage10_sem6.jpg

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© Dr Mark Hill 2026, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G