File:Keibel Mall 2 023.jpg

Fig. 23. Four stages in the closure of the neural tube in human embryos possessing from 5 to 14 somites

A, embryo Klb, 5-6 somites, from Keibel u. Elze (Normentafeln);

B, embryo No. 391, 7 somites, Mall collection, after Dandy;

C, Eternod's embryo, 2.11 mm. long, 8 somites, after Kollmann;

D, embryo 2.4 mm. long, 14 somites- estimated age 14 to 16 days. (C and D after Kollmann.)

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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

CNS Figures: 22 - neural-plate stage | 23 - 5 to 14 somites stage | 24 - 3.2 mm embryo | 30 - brain 3, 4 and 8 weeks | 32 - 10 mm cranial nerves

XIV. The Development of the Nervous System: The Histogenesis of Nervous Tissue | The Development of the Central Nervous System | The Peripheral Nervous System | The Sympathetic Nervous System | Manual of Human Embryology II

Cite this page: Hill, M.A. (2024, April 23) Embryology Keibel Mall 2 023.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Keibel_Mall_2_023.jpg

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