File:Stage21 bf1b.jpg

From Embryology

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Human Embryo Carnegie Stage 21

Facts: Week 8, 53 - 54 days, 22 - 24 mm

View: Lateral view. Amniotic membrane removed.

Features: scalp vascular plexus, eylid, eye, nose, auricle of external ear, arm, elbow, wrist, knee, notch between digital rays, umbilical cord

Identify: straightening of trunk, pigmented eye, eyelid, nose, external acoustic meatus, scalp vascular plexus, webbed digits, liver prominance, thigh, ankle, foot plate, umbilical cord

Kyoto-stage21.jpg

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

Related Links: Carnegie stage 21 | original stage 21 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.



Cite this page: Hill, M.A. (2024, April 13) Embryology Stage21 bf1b.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage21_bf1b.jpg

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

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