ÿMeeting and
fusion of cranial, lateral, and caudal edges of the embryo create the primordial foregut and hindgut
lSlow fusion of
midgut-due to presence of yolk sac.
Midgut remains open until week 6-donnects
to yolk sac via vitelline duct.
lBuccopharyngeal
membrane opens at 4 and cloacal membrane at 7 weeks