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Fig. 1. Sagittal Section Showing a Very Early Stage in the Formation of the Umbilicus and Allantois. (Human embryo, 0.7 mm. long.)  
==Fig. 1. Sagittal Section Showing a Very Early Stage in the Formation of the Umbilicus and Allantois==
 
(Human embryo, 0.7 mm. long.)  
 
 
Note the origin of the allantois from the cavity of the yolk-sac. The umbilical region will be formed by a gradua  
Note the origin of the allantois from the cavity of the yolk-sac. The umbilical region will be formed by a gradua  
approximation of the cranial and caudal ends of the yolk-sac, as indicated by the arrows. The embryonic surface of  
approximation of the cranial and caudal ends of the yolk-sac, as indicated by the arrows. The embryonic surface of  
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Revision as of 15:58, 27 October 2018

Fig. 1. Sagittal Section Showing a Very Early Stage in the Formation of the Umbilicus and Allantois

(Human embryo, 0.7 mm. long.)


Note the origin of the allantois from the cavity of the yolk-sac. The umbilical region will be formed by a gradua approximation of the cranial and caudal ends of the yolk-sac, as indicated by the arrows. The embryonic surface of the yolk-sac will later become the alimentary canal.

Reference

Cullen TS. Embryology, anatomy, and diseases of the umbilicus together with diseases of the urachus. (1916) W. B. Saunders Company, Philadelphia And London.


Cite this page: Hill, M.A. (2024, June 11) Embryology Cullen1916 fig01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Cullen1916_fig01.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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current15:57, 27 October 2018Thumbnail for version as of 15:57, 27 October 20181,280 × 929 (354 KB)Z8600021 (talk | contribs)
15:56, 27 October 2018Thumbnail for version as of 15:56, 27 October 20182,163 × 1,417 (587 KB)Z8600021 (talk | contribs)Fig. 1. — Sagittal Section Showing a Very Early Stage in the Formation of the Umbilicus and Allantois. (Human embryo, 0.7 mm. long.) Note the origin of the allantois from the cavity of the yolk-sac. The umbilical region will be formed by a gradua a...

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