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(Fig. 11. Sagittal Section of the Umbilical Region in a Human Embryo 23 mm. in Length. The small drawing to the left, which is of natural size, accurately depicts the relation of the yolk-sac to the cord and amnion. Its stalk is very long, and the yol...)
 
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Fig. 11. Sagittal Section of the Umbilical Region in a Human Embryo 23 mm. in Length.
==Fig. 11. Sagittal Section of the Umbilical Region in a Human Embryo 23 mm in Length==
 
The small drawing to the left, which is of natural size, accurately depicts the relation of the yolk-sac to the  
The small drawing to the left, which is of natural size, accurately depicts the relation of the yolk-sac to the  
cord and amnion. Its stalk is very long, and the yolk-sac has become relatively smaller. The umbilical cord now  
cord and amnion. Its stalk is very long, and the yolk-sac has become relatively smaller. The umbilical cord now  
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===Reference===
{{Cullen1916 figures1}}
 
{{Ref-Cullen1916}}
 
{{Footer}}

Latest revision as of 11:39, 28 October 2018

Fig. 11. Sagittal Section of the Umbilical Region in a Human Embryo 23 mm in Length

The small drawing to the left, which is of natural size, accurately depicts the relation of the yolk-sac to the cord and amnion. Its stalk is very long, and the yolk-sac has become relatively smaller. The umbilical cord now shows very marked twisting. The exoccelomic cavity in the umbilical cord now contains practically all the intestine with the exception of the jejunum and descending colon. The distal portion of the cavity is funnel-shaped, the apex being directed away from the embryo. The omphalomesenteric duct has disappeared, but its vessels persist. The small cystic spaces in the upper wall of the cord mark the beginning obliteration of the exoccelom. The umbilical vein has been partly removed in order to bring into view the deeper structures. The two umbilical arteries, accompanied by the allantois, are in their usual position in the lower part of the cord. Note the slight spindle-shaped dilatation of the allantois in its course.


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Figure Links: 1 Human embryo 0.7 mm | 2 Human embryo 1.7 mm | 3 Human embryo 2.5 mm | 4 Human embryo 3.5 mm | 5 Human embryo 5 mm | 6 Human embryo 7 mm | 7 Human embryo 7 mm | 8 Human embryo 10 mm | 9 Human embryo 12.5 mm | 10 Human embryo 10 mm | 11 Human embryo 23 mm | 12 Human embryo 3 cm | 13 Human embryo 4.5 cm sagittal | 14 Human Embryo 4.5 cm | 15 Human Embryo 5.2 cm | 16 Human Embryo 6.5 cm | 17 Human Embryo 7.5 cm | 18 Human Embryo 9 cm | 19 Human Embryo 10 cm | 20 Human Embryo 12 cm | 21 Human Embryo 12 cm | 22 Human Embryo 12 cm | 23 Human Embryo 12 cm Cord | 28 Fetus Five Months | 30 Ventral Heria | 31 Human Embryo 5.5 cm | 32 Term Human | 33 Term Human | [[Figures


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 27) Embryology Cullen1916 fig11.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Cullen1916_fig11.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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17:14, 27 October 2018Thumbnail for version as of 17:14, 27 October 20182,096 × 2,381 (1,006 KB)Z8600021 (talk | contribs)Fig. 11. Sagittal Section of the Umbilical Region in a Human Embryo 23 mm. in Length. The small drawing to the left, which is of natural size, accurately depicts the relation of the yolk-sac to the cord and amnion. Its stalk is very long, and the yol...

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