UNSW Embryology

Carnegie Stage 19

© Dr Mark Hill (2008)

Acknowledgements

Carnegie Stage 19 labelled

Carnegie Stage 19 (day 48)

Features: eyelid, eye, external acoustic meatus, auricle of external ear, digital ray, wrist, liver prominence

Additional Information

Limbs: Muscle development - thick and thin filaments with faint Z-lines appeared in the peripheral cytoplasm of the myotube. Rough endoplasmic reticulum (RER), free ribosomes, and mitochondria increased in number. Tanaka O, Shinohara H, Oguni M, Yoshioka T. Ultrastructure of developing muscle in the upper limbs of the human embryo and fetus. Anat Rec. 1995 Mar;241(3):417-24

Carnegie Stage 19

Carnegie Stages 20

Stage 20 Unlabelled | Stage 20 Labelled

Glossary of Terms

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Carnegie Stage images

The Kyoto Collection images are reproduced with the permission of Prof. Kohei Shiota for tutorial/revision purposes and cannot be reproduced electronically or in writing without permission.

UNSW Embryology ISBN: 978 0 7334 2609 4

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