Section through the liver showing blood vessels and hepatic trabeculae (laminae).

Section 8-3-3

[Text and drawing from Fig. 13-8 O'Rhailly, R., and Müller, F.. Developmental Stages in Human Embryos, Carnegie Institution of Washington, Publication 637, 1987.]

In this less advanced embryo (No. 836) the umbilical veins still pass around the liver to reach the sinus venosus.