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==Fig. 74. Three stages in the early differentiation of the wall of the spinal neural tube==


Stage I., single layer of ill-differentiated columnar epithelium
Stage II., in which the single layer has been transformed into a nucleated syncytium
Stage III., in which three zones begin to be apparent.
After {{Streeter}}
{{Keith1921 figures6}}
[[Category:Human]]

Revision as of 07:47, 26 December 2014

Fig. 74. Three stages in the early differentiation of the wall of the spinal neural tube

Stage I., single layer of ill-differentiated columnar epithelium

Stage II., in which the single layer has been transformed into a nucleated syncytium

Stage III., in which three zones begin to be apparent.

After George Streeter (1873-1948)


Chapter 6 Figures: 64 | 65 | All Figures
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Reference

Keith, A. Human Embryology And Morphology (1921) Longmans, Green & Co.:New York.


Human Embryology and Morphology: 1 Early Ovum and Embryo | 2 Connection between Foetus and Uterus | 3 Primitive Streak Notochord and Somites | 4 Age Changes | 5 Spinal Column and Back | 6 Body Segmentation | 7 Spinal Cord | 8 Mid- and Hind-Brains | 9 Fore-Brain | 10 Fore-Brain Cerebral Vesicles | 11 Cranium | 12 Face | 13 Teeth and Mastication | 14 Nasal and Olfactory | 15 Sense OF Sight | 16 Hearing | 17 Pharynx and Neck | 18 Tongue, Thyroid and Pharynx | 19 Organs of Digestion | 20 Circulatory System | 21 Circulatory System (continued) | 22 Respiratory System | 23 Urogenital System | 24 Urogenital System (Continued) | 25 Body Wall and Pelvic Floor | 26 Limb Buds | 27 Limbs | 28 Skin and Appendages | Figures


Cite this page: Hill, M.A. (2024, May 2) Embryology Keith1921 fig074.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Keith1921_fig074.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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