| umbilical vesicle | <embryology, ornithology> One of the set of extra embryonic membranes, growing out from the gut over the yolk surface, in birds formed from the splanchnopleure, an outer layer of splanchnic mesoderm and an inner layer of endoderm. (18 Nov 1997) |
|---|---|
| ureteric branches of the patent part of umbilical artery | <anatomy, artery> Supplies pelvic portion of ureter. Synonym: rami ureterici partis patentis arteriae umbilicale. (05 Mar 2000) |
| lateral umbilical fold | The ridge on the peritoneal surface of the anterior abdominal wall formed by the inferior epigastric vessels. Synonym: plica umbilicalis lateralis, epigastric fold, plica epigastrica. (05 Mar 2000) |
| lateral umbilical ligament | An old name for ligamentum umbilicale mediale. Synonym: lateral umbilical ligament. (05 Mar 2000) |
| left umbilical vein | <anatomy, vein> The vein that returns the blood from the placenta to the foetus; traversing the umbilical cord, it enters the foetal body at the umbilicus and passes thence into the liver, where it is joined by the portal vein; its blood then flows by way of the ductus venosus and the inferior vena cava to the right atrium. Synonym: vena umbilicalis sinistra. (05 Mar 2000) |