File:Stage9 bf2.jpg

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Human Embryo - Carnegie Stage 9

Stage 9 day 20, somites 3-4

Ventrolateral view (cut away from chorion and amniotic sac) showing the embryo and yolk sac.

Note:

  1. the relative size of the embryo and the associated extra-embryonic coeloms.
  2. the shape of the early folded embryonic disc and rostro-caudal bendings.
  3. the relative thicknesses of the embryo and extra-embryonic membranes.
  4. the position of the prechordal plate (cardiogenic region) ventral to brain fold.

Original file name: Stage9day20somites3-4lateralbf2-600px.jpg


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


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. (2021, April 21) Embryology Stage9 bf2.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage9_bf2.jpg

What Links Here?
© Dr Mark Hill 2021, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current12:02, 22 August 2009Thumbnail for version as of 12:02, 22 August 2009814 × 1,000 (33 KB)S8600021 (talk | contribs)Human embryo Stage 9 day 20, somites 3-4 Ventrolateral view (cut away from chorion and amniotic sac) showing the embryo and yolk sac. Note: # the relative size of the embryo and the associated extra-embryonic coeloms. # the shape of the early folded e

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