A section through the C-6 neural crest, cranial end of the mesonephros and hepatic antrum.
Observe:
1. The attachment of the amnion to the ventral body wall.
2. The origin of the hepatic antrum from the ventral aspect of the duodenum. The antrum will give rise to the gall bladder and bile ducts.
3. The cranial end of the vitelline veins.
4. The medial position of the subcardinal vein to the mesonephros.
5. The cranial part of the yolk sac.
Keywords: C-6 dermatome, C-6 neural crest, amnion, common ventricle, cranial end of left vitelline vein, dorsal aorta, dorsal mesoduodenum, dorsal pancreatic bud, edge of mesonephros, hepatic antrum, lateral mesoderm (somatic), left umbilical vein (involuting), limb mesoderm, pericardial cavity, primitive duodenum, right coelom, right vitelline (omphalomesenteric) vein, septum transversum, subcardinal vein, yolk sac
Source: Atlas of Human Embryos.