A disorder that causes part of the intestines to fold into another part, causing blockage. It is most common in infants and can be treated with an operation.

An operation to remove the gallbladder. The doctor inserts a laparoscope and other surgical instruments through small holes made in the abdomen. The camera allows the doctor to see the gallbladder on a television screen.… 

An inflammatory bowel disease that affects the large bowel. Also called microscopic colitis because there is no sign of inflammation on the surface of the colon during a colonoscopy.

The feeling of needing to throw up, or vomit.

A doctor who treats children who have digestive diseases.

The observable traits or characteristics of an organism, for example hair color, weight, or the presence or absence of a disease. Phenotypic traits are not necessarily genetic

Itching around the anus.

A bacterium that may cause intestinal infection and diarrhea.

Tissue in an organ such as the mouth or esophagus that consists of layers of flat cells.

An enzyme in endomysium tissue that combines with gliadin to form the epitope that is the autoantigen in celiac disease.