Cardiovascular system of the 5-mm embryo: Veins
Keywords: anastomosis between subcardinal and postcardinal veins, anterior cerebral plexus, common umbilical vein, dorsal anastomosis of vitelline veins, dorsal intersegmental vein, hepatic sinusoid, left atrium, left common cardinal vein, left hepatocardiac vein, left postcardinal vein, left precardinal vein, left subcardinal vein, left umbilical plexus, left umbilical vein (involuting), left ventricle, left vitelline (omphalomesenteric) vein, liver, middle cerebral plexus, otocyst, posterior cerebral plexus, primary head vein, right umbilical vein, sinus venosus, trigeminal neural crest (CN V), ventral anastomosis of vitelline veins
Source: Atlas of Human Embryos.