Ventral view of the blood vessels of the hepatic region and their communications at the venous end of the heart. The umbilical veins still empty bilaterally into the sinus venosus. Based on Born reconstructions and serial tracings of No. 836.
The above text and accompanying figure are taken from O'Rahilly and Müller, 1987. Adapted from figure 13-5.
Keywords: gall bladder, hepatic plexus, hepatic trabeculae, hepatic vein(s), intestine, left hepatocardiac vein, left postcardinal vein, left precardinal vein, left umbilical vein, left vitelline (omphalomesenteric) vein, lung bud, right common cardinal vein, right hepatocardiac vein, right umbilical vein, sinus venosus, stomach, umbilical vein stalk, vitelline (omphalomesenteric) artery
Source: The Virtual Human Embryo.