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From Embryology

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Fig. 8. Sagittal View of the Umbilical Region of a Human Embryo 10 mm in Length

The yolk-sac now lies far removed from the umbilical cord; its vessels and stalk follow a tortuous course.

The umbilical cord here shows the first indication of a twist, which may be caused by the embryo rotating toward the right. In the embryos examined by us there has been but one exception to this rule. The small intestine extends a considerable distance into the exocoelom of the cord. At the outer end of the intestinal loop is situated the delicate omphalomesenteric duct. The omphalomesenteric vein passes on the left side of the intestinal loop; the artery, on the right side.


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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, April 24) Embryology Cullen1916 fig08.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Cullen1916_fig08.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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