File:Cullen1916 fig10.jpg: Difference between revisions

Latest revision as of 12:12, 28 October 2018

Fig. 10. Anterior View of the Umbilical Cord of a Human Embryo 18 mm in Length

A portion of the cord has been removed, as shown by the dotted line.

The exoccelomic cavity has increased materially in size and contains several loops of intestine, including the cecum and budding appendix, seen on the extreme left (right in picture). The narrow ccelomic ring is obscured by the intestine. The omphalomesenteric duct has disappeared, and we now have only the omphalomesenteric vessels passing out into the exoccelom. This more rapid disappearance of the delicate epithelial structure of the vitelline duct, as contrasted with the preservation of the stronger tissues of the blood-vessels, is probably caused by the continued tension to which the yolk-stalk is subjected. (See Figs. 11 and 12 ) The exocoelomic cavity rapidly tapers to a narrow chink, as seen in the upper and more distal section. In the mid-line of the cord below are the two umbilical arteries, with the allantois between and slightly below them. The umbilical vein lies to the left.

The characteristic twist of the cord, including all of its structures, is clearly seen.

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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. (2026, October 30) Embryology Cullen1916 fig10.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Cullen1916_fig10.jpg

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	18:11, 27 October 2018		2,075 × 2,129 (827 KB)	Z8600021 (talk \| contribs)	Fig. 10. Anterior View of the Umbilical Cord of a Human Embryo 18 mm in Length. A portion of the cord has been removed, as shown by the dotted line. The exoccelomic cavity has increased materially in size and contains several loops of intestine, inclu...

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@@ Line 1: / Line 1: @@
-Fig. 10. Anterior View of the Umbilical Cord of a Human Embryo 18 mm in Length.
+==Fig. 10. Anterior View of the Umbilical Cord of a Human Embryo 18 mm in Length==
-A portion of the cord has been removed, as shown by the dotted line. The exoccelomic cavity has increased materially in size and contains several loops of intestine, including the cecum and budding appendix, seen on the extreme
-left (right in picture). The narrow ccelomic ring is obscured by the intestine. The omphalomesenteric duct has disappeared, and we now have only the omphalomesenteric vessels passing out into the exoccelom. This more rapid
-disappearance of the delicate epithelial structure of the vitelline duct, as contrasted with the preservation of the
-stronger tissues of the blood-vessels, is probably caused by the continued tension to which the yolk-stalk is subjected.
-(See Figs. 11 and 12 ) The exoccelomic cavity rapidly tapers to a narrow chink, as seen in the upper and more distal
-section. In the mid-line of the cord below are the two umbilical arteries, with the allantois between and slightly
-below them. The umbilical vein lies to the left. The characteristic twist of the cord, including all of its structures,
-is clearly seen.
-===Reference===
+A portion of the cord has been removed, as shown by the dotted line.
-{{Ref-Cullen1916}}
+The exoccelomic cavity has increased materially in size and contains several loops of intestine, including the cecum and budding appendix, seen on the extreme left (right in picture). The narrow ccelomic ring is obscured by the intestine. The omphalomesenteric duct has disappeared, and we now have only the omphalomesenteric vessels passing out into the exoccelom. This more rapid disappearance of the delicate epithelial structure of the vitelline duct, as contrasted with the preservation of the stronger tissues of the blood-vessels, is probably caused by the continued tension to which the yolk-stalk is subjected. (See Figs. [[:File:Cullen1916 fig11.jpg|11]] and [[:File:Cullen1916 fig11.jpg|12]] ) The exocoelomic cavity rapidly tapers to a narrow chink, as seen in the upper and more distal section. In the mid-line of the cord below are the two umbilical arteries, with the allantois between and slightly below them. The umbilical vein lies to the left.
-{{Footer}}
+The characteristic twist of the cord, including all of its structures, is clearly seen.
+{{Cullen1916 figures1}}