Source:http://linkedlifedata.com/resource/umls/id/C0795690
NCI: A congenital defect in the muscles of the abdominal wall that results in the intestines and other abdominal organs developing outside the abdominal wall covered in a sac.,MSH: A congenital defect with major fissure in the ABDOMINAL WALL at the UMBILICUS resulting in the extrusion of VISCERA through the UMBILICUS. Unlike GASTROSCHISIS, omphalocele is covered with PERITONEUM but without overlying SKIN.