File:Stage12 sem7.jpg

From Embryology

Original file(2,520 × 2,715 pixels, file size: 479 KB, MIME type: image/jpeg)

Human Embryo Carnegie Stage 12

Carnegie Stage 12

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

View: Lateral view, day 26, 21 somites, amniotic membrane removed, scale bar 1mm

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-sem7.jpg


Image version links

Large 2000px | 1000px | Medium 800px | Small 600px


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, April 13) Embryology Stage12 sem7.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage12_sem7.jpg

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

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current14:12, 14 May 2011Thumbnail for version as of 14:12, 14 May 20112,520 × 2,715 (479 KB)S8600021 (talk | contribs)== Human Embryo Carnegie Stage 12== Carnegie Stage 12 Facts: Week 4, 26 days, 5 mm, Somite Number 21 View: Lateral view, day 26, 21 somites, amniotic membrane removed Features: day 26, 27 somites, forebrain, site of lens placode, site of otic placode