File:Stage10 sem9c.jpg

From Embryology

Stage10_sem9c.jpg(296 × 400 pixels, file size: 16 KB, MIME type: image/jpeg)

Human Embryo (Carnegie stage 10)

Carnegie stage 10, 23 day, 11 somite pairs

Scanning EM dorsolateral view

  • scale bar 100 microns
  • yolk sac attached, amnion cut, connecting stalk (right)
  • section removed to view developing heart in pericardial cavity
  • open anterior and posterior neuropore
  • note appearance of extra-embryonic mesoderm covering yolk sac (bottom)
  • thin amniotic membrane (cut edges)


A vertical version of this image also available.

Original File Name: Stage10day23somite11-lateral-sem1.jpg

Links: Carnegie stage 10 | Week 4 | Category:Carnegie Stage 10 | Neural System Development | Cardiovascular System Development | Placenta Development

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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. (2024, June 20) Embryology Stage10 sem9c.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage10_sem9c.jpg

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

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