File:Cullen1916 fig33.jpg
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Fig. 33. A Diagrammatic Representation of the Umbilical Region of a Fetus at Term
An exceptional feature of the picture is the persistence of the omphalomesenteric structures in the form of a well defined vascular Meckel's diverticulum.
Note the relationship between the omphalomesenteric vessels, the superior mesenteric artery, and the portal vein. In the cord the vitelline vessels still persist in the organized exocoelom.
At birth all trace of the omphalomesenteric structure has usually disappeared, but the allantoic cord often persists, and is seen between and below the umbilical arteries. It is continuous with the urachus, which may have a number of spindle-shaped dilatations down to the bladder. These may or may not have lumina.
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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. (2024, June 10) Embryology Cullen1916 fig33.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Cullen1916_fig33.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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13:41, 28 October 2018 | 2,068 × 2,466 (690 KB) | Z8600021 (talk | contribs) | ==Fig. 33. A Diagrammatic Representation of the Umbilical Region of a Fetus at Term== An exceptional feature of the picture is the persistence of the omphalomesenteric structures in the form of a welldefined vascular Meckel's diverticulum. Note the re... |
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