File:Stage12 sem1.jpg

Human Embryo

Carnegie Stage 12

Facts: Week 4, 26 days, 5 mm, Somite Number 21

View: Lateral view, day 26, 21 somites, amniotic membrane removed, scale background

Features: day 26, 27 somites, forebrain, site of lens placode, site of otic placode , stomodeum, 1st pharyngeal arch, 2nd pharyngeal arch, 3rdpharyngeal arch, heart prominence, somite

Identify: forebrain, site of lens placode, site of otic placode, stomodeum, 1st pharyngeal arch, 2nd pharyngeal arch, 3rd pharyngeal arch, heart prominence, somite

Bright field image version of this image also available.

Original File Name: Stage12day26somite21-ventrolateral-heart-brain-sem1.jpg

Image version links: Large 1000px | 800px | Medium 600px | Small 400px

Related Images: Bright Field 1 | Bright Field 3 | Bright Field 3 | [[:File:Stage12_sem2.jpg|Scanning EM image 2] | [[:File:Stage12_sem3.jpg|Scanning EM image 3] | [[:File:Stage12_sem4.jpg|Scanning EM image 4] | [[:File:Stage12_sem5.jpg|Scanning EM image 5]

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, April 18) Embryology Stage12 sem1.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage12_sem1.jpg

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