File:Keibel Mall 2 024.jpg

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Fig. 24. Profile reconstruction of human embryo 3.2 mm long

Showing neural tube closed except for anterior and posterior neuropores. The chorda lies closely against its ventral surface. The optic evagination is shown by'a dotted line and is connected with the neural tube by a wide slit. The ear vesicle is indicated lateral to the hindbrain. In the area reuniens the neural tube, chorda, and foregut are still undifferentiated from one another. (After His, 1904.)

Ab., truncus arteriosus; All., allantoic duct; Bs., abdominal stalk; CL, cloake; Lb., liver anlage; Lg., lung anlage; Nh., stalk of the umbilical vesicle; Vh., atrium; Vt., ventricle.


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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 26) Embryology Keibel Mall 2 024.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Keibel_Mall_2_024.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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