Dilatation of the COLON, often to alarming dimensions. There are various types of megacolon including congenital megacolon in HIRSCHSPRUNG DISEASE, idiopathic megacolon in CONSTIPATION, and TOXIC MEGACOLON.
Megacolons
D002648
Child
A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL.
Children
D002675
Child, Preschool
A child between the ages of 2 and 5.
Children, Preschool,Preschool Child,Preschool Children
D003109
Colonic Diseases, Functional
Chronic or recurrent colonic disorders without an identifiable structural or biochemical explanation. The widely recognized IRRITABLE BOWEL SYNDROME falls into this category.