File:Cullen1916 fig14.jpg

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Fig. 14. A Graphic Reconstruction of the Umbilical Region op a Human Embryo 4.5 cm in Length as viewed from within the abdomen

Coming from below are the two umbilical arteries with the urachus between them. Above is the umbilical vein, inclosed in a bulbous thickening of the surrounding tissue. The body-wall of the embryo at the cord has closed, save for an irregular slit. The exoccelom outside the general peritoneal cavity dilates, as indicated by the dotted line; it soon becomes obliterated. Plunging into the upper corner of the exoccelom, and adherent to its wall, are the omphalomesenteric vessels, accompanied by a thick cord of embryonic connective tissue, which, near the intestine, has an epithelial center but no lumen. This is undoubtedly a remnant of the omphalomesenteric duct. The section of the cord shown above is taken from near the embryo. It depicts the characteristic position of the allantois, and the narrow, slit-like termination of the exoccelom with the omphalomesenteric vein in its wall, the artery having disappeared.



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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 fig14.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Cullen1916_fig14.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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current17:31, 27 October 2018Thumbnail for version as of 17:31, 27 October 20181,280 × 1,293 (434 KB)Z8600021 (talk | contribs)
17:30, 27 October 2018Thumbnail for version as of 17:30, 27 October 20182,091 × 2,128 (875 KB)Z8600021 (talk | contribs)Fig. 14. A Graphic Reconstruction of the Umbilical Region op a Human Embryo 4.5 cm. in Length as viewed from within the abdomen. ===Reference=== {{Ref-Cullen1916}} {{Footer}}

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