A section through the epiploic foramen.
Observe:
1. The two subdivisions of the peritoneum.
2. The growth of the stomach to the left.
3. The communication of the lesser sac with the greater sac through the epiploic foramen.
4. The minute female (paramesonephric) duct ventral to the mesonephric duct.
Keywords: T-10 spinal ganglion, aorta, celiac plexus, dorsal mesogastrium, epiploic foramen, female duct, gonad, greater sac, hepatic sinusoid, inferior vena cava (hepatocardiac segment), lesser sac, lesser omentum, mesonephric duct, mesonephric glomerulus, neural canal, parietal peritoneum, rib 11, stomach, suprarenal cortex, sympathetic trunk, visceral peritoneum (serosa)
Source: Atlas of Human Embryos.