Cloacal exstrophy is a severe
birth defect wherein much of the abdominal organs (the
bladder and
intestines) are exposed. It often causes the splitting of both
male and
female genitalia (specifically, the
penis and
clitoris respectively), and the
anus is occasionally sealed.
Cloacal exstrophy is an extremely rare birth defect, present in only one in 250,000 births.
It is caused by a defect of the ventral body wall - mesodermal migration is inhibited and folding fails.
See also
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