File:Stage12 sem10.jpg

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Human Embryo Carnegie Stage 12

A ventral view of the embryo showing the region of the cloacal membrane and caudal neuropore. Yolk sac has been removed, showing midgut region.

Facts: Week 4, 26 days, 5 mm, Somite Number 25

View: Dorsolatera view, day 26, 25 somites, amniotic membrane removed

Features: caudal (dorsal) neuropore region


Bright field image version of this image also available.

Original File Name: Stage12day26somite25 dorsal neuropore sem3.jpg

Image version links

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Stage 12 SEM Images: Bright Field 1 | Bright Field 3 | Bright Field 3 | SEM1 | SEM2 | SEM3 | SEM4 dorsolateral head and arches | SEM5 lateral head and arches | SEM6 ventrolateral head and arches | SEM7 lateral | SEM8 ventrolateral | SEM9 cloacal membrane | SEM9 labeled | Carnegie stage 12

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, March 29) Embryology Stage12 sem10.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage12_sem10.jpg

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


Stage12day26somite21 ventral cloacal membrane sem5.psd

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current02:35, 16 May 2011Thumbnail for version as of 02:35, 16 May 20111,740 × 3,832 (454 KB)S8600021 (talk | contribs)== Human Embryo Carnegie Stage 12== A ventral caudal view of the embryo showing the region of the cloacal membrane and caudal neuropore. Facts: Week 4, 26 days, 5 mm, Somite Number 25 View: Dorsolatera view, day 26, 25 somites, amniotic membrane remove