File:Nelsen1953 fig246.jpg
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Fig. 246. Development of body form in human embryo
(C from Keibel and Mall: Manual of Human Embryology, Vol. I, 1910. Philadelphia and London, Lippincott. A, B, D, and E from Keibel and Elze: Normentafel zur Entwicklungsgeschkhte des Menschen. Jena, 1908. G. Fischer.)
(A) Early neural fold stage. Somites are beginning to form; notochordal canal is evident.
(B) About nine pairs of somites.
(C) His's embryo M.
(D) About 23 pairs of somites, 4-5 mm. long.
(E) About 35 pairs of trunk somites, 12 mm. long.
Reference
Nelsen OE. Comparative embryology of the vertebrates (1953) Mcgraw-Hill Book Company, New York.
Cite this page: Hill, M.A. (2024, June 15) Embryology Nelsen1953 fig246.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Nelsen1953_fig246.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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