UNSW Embryology

Carnegie Stage 15

© Dr Mark Hill (2008)

Acknowledgements

Carnegie Stage 15 labelled

Carnegie Stage 15

Features:

Additional Information

Limbs: upper limb nerves (C5-T1) united to form nascent brachial plexus. Shinohara H, Naora H, Hashimoto R, Hatta T, Tanaka O. Development of the innervation pattern in the upper limb of staged human embryos. Acta Anat (Basel). 1990;138(3):265-9.

Notochord: Golgi complexes increase in the perinuclear region. Shinohara H, Tanaka O. Development of the notochord in human embryos: ultrastructural, histochemical, and immunohistochemical studies. Anat Rec. 1988 Feb;220(2):171-8.

Lip and Palate: bilateral mandibular arches completely merged. Yoon H, Chung IS, Seol EY, Park BY, Park HW. Development of the lip and palate in staged human embryos and early fetuses. Yonsei Med J. 2000 Aug;41(4):477-84.

Carnegie Stage 15

Carnegie Stages 16

Stage 16 Unlabelled | Stage 16 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.

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