Keywords:
cloaca,
cloacal membrane,
dorsal pancreas,
duodenum,
esophagus,
gall bladder,
hindgut,
liver,
lung bud,
midgut loop,
notochord,
primordial cecum,
rectum,
stomach,
trachea,
umbilical loop of midgut,
ventral pancreas
Source: The Virtual Human Embryo.