An<unk>  is a type of abdominal wall defect in which the intestines, liver, and occasionally other organs remain outside of the abdomen in a sac because of a defect in the development of the muscles of the abdominal wall.
Omphalocele
Encephalocele
Spina bifida
Hypospadias
Persistent cloaca
Anencephaly
Omphalitis
Umbilical hernia