Mondo Description Small intestinal obstruction that results from the impaction of thick meconium in the distal small intestine.

Uniprot Description A condition characterized by a intestinal obstruction due to inspissated meconium in the distal ileum and cecum, which develops in utero and presents shortly after birth as a failure to pass meconium. Meconium ileus is a known clinical manifestation of cystic fibrosis.