File:Umbilical Region in a Human Embryo 12 cm. long.jpg

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Description Fig. 20. — Intra-abdominal View of the Umbilical Region in a Human Embryo 12 cm. Long. (X 3.) The bladder is unusually distended, and reaches almost to the umbilicus. Both it and the umbilical vessels have a well-defined mesenteric attachment to the abdominal wall. The bladder was closed above, and the urachus was recognized as a solid cord. In the umbilical cord, however, the allantois showed here and there traces of a lumen. The umbilical ring was completely closed. At its site was a crescent-shaped pit. The exocoelom had disappeared in the cord, but traces of the omphalomesenteric vessels were still visible.
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Source https://archive.org/details/embryologyanatom00cull/page/18/mode/2up Embryology, anatomy, and diseases of the umbilicus : together with diseases of the urachus
Author Cullen, Thomas Stephen, 1868-1953

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current09:23, 18 February 2024Thumbnail for version as of 09:23, 18 February 20241,040 × 866 (823 KB)Rasbak (talk | contribs){{Information |description=Fig. 20. — Intra-abdominal View of the Umbilical Region in a Human Embryo 12 cm. Long. (X 3.) The bladder is unusually distended, and reaches almost to the umbilicus. Both it and the umbilical vessels have a well-defined mesenteric attachment to the abdominal wall. The bladder was closed above, and the urachus was recognized as a solid cord. In the umbilical cord, however, the allantois showed here and there traces of a lumen. The umbilical ring was completely close...

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