File:Stage12 bf5b.jpg

From Embryology

Stage12_bf5b.jpg(600 × 450 pixels, file size: 23 KB, MIME type: image/jpeg)

Human Embryo Carnegie Stage 12

Carnegie Stage 12 (26 - 30 days)

Facts: Week 4, 26 - 30 days, 3 - 5 mm, Somite Number 21 - 29

View: Lateral view, day 26, 27 somites, Amniotic membrane removed.

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

Original File name: Kyoto-stage-12.jpg

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

Related Links: Carnegie stage 12 | original stage 12 page


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: The Kyoto Collection images are reproduced with the permission of Prof. Kohei Shiota and Prof. Shigehito Yamada, Anatomy and Developmental Biology, Kyoto University Graduate School of Medicine, Kyoto, Japan for educational purposes only and cannot be reproduced electronically or in writing without permission.

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current14:29, 4 November 2009Thumbnail for version as of 14:29, 4 November 2009600 × 450 (23 KB)S8600021 (talk | contribs)