File:Cullen1916 fig15.jpg

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Fig. 15. Sagittal View of a Graphic Reconstruction of the Umbilical Region of a Human Embryo 5.2 cm in Length

From within, the relations of the umbilical arteries to the vein are clearly seen. They surround the funnel-shaped remnant of the exoccelom. No trace of the omphalomesenteric vessels is to be seen in the peritoneal cavity, but in cross-sections of the cord near the embryo the lumen of the umbilical vein still persists, as indicated in the small drawing to the left. It is embedded in the wall of the exoccelom, but has no connection with any other vascular structure. The bladder bulges out between the umbilical arteries. The urachus (allantois) passes out into the cord between and below the umbilical arteries. This is the characteristic arrangement. The urachus shows two dilatations.


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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 23) Embryology Cullen1916 fig15.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Cullen1916_fig15.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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current13:13, 28 October 2018Thumbnail for version as of 13:13, 28 October 20181,000 × 1,227 (314 KB)Z8600021 (talk | contribs)
13:12, 28 October 2018Thumbnail for version as of 13:12, 28 October 20182,091 × 1,714 (676 KB)Z8600021 (talk | contribs)Fig. 15. Sagittal View of a Graphic Reconstruction of the Umbilical Region of a Human Embryo 5.2 cm. in Length. From within, the relations of the umbilical arteries to the vein are clearly seen. They surround the funnel-shaped remnant of the exoccel...

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