Gastroschisis is a congenital defect of the abdominal wall. It is similar to an omphalocele in appearance. An omphalocele, however, is a herniation of the abdominal contents through the umbilical cord, and is covered with a sac -- while gastroschisis is a herniation through the abdominal wall (usually to the right of the umbilical cord), which does not involve the cord. In addition, in gastroschisis, the intestines (bowels) are exposed. As in omphaloceles, the abdominal cavity may be small and replacement of the bowel into the cavity may require several weeks in which the abdominal cavity is gently stretched to accommodate the mass.
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