| ductus venosus | In the foetus, continuation of the left umbilical vein through the liver to the vena cava inferior; after birth, its lumen becomes obliterated, forming the ligamentum venosum. Ductus venosus arantii, rarely used term for ductus venosus. (05 Mar 2000) |
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| epithelium ductus saemicircularis | The simple squamous epithelium of the saemicircular ducts. Synonym: epithelium ductus saemicircularis. (05 Mar 2000) |
| tunica mucosa ductus deferentis | The inner layer of the ductus deferens. Synonym: tunica mucosa ductus deferentis. (05 Mar 2000) |
| tunica muscularis ductus deferentis | Muscular layer of the wall of the ductus deferens. Synonym: tunica muscularis ductus deferentis. (05 Mar 2000) |
| fossa ductus venosi | A wide groove located posteriorly on the undersurface of the foetal liver between the caudate and left lobes; it lodges the ductus venosus and becomes the fissure of the ligamentum venosum in the adult. Synonym: fossa ductus venosi. (05 Mar 2000) |
| fossa of ductus venosus | A wide groove located posteriorly on the undersurface of the foetal liver between the caudate and left lobes; it lodges the ductus venosus and becomes the fissure of the ligamentum venosum in the adult. Synonym: fossa ductus venosi. (05 Mar 2000) |
| ligamentum ductus venosi | A thin fibrous cord, lying in the fissure of the ligamentum venosum, the remains of the ductus venosus of the foetus. Synonym: Arantius' ligament, ligamentum ductus venosi, venous ligament. (05 Mar 2000) |