Crohn’s & Colitis Glossary

Ultrasound

An imaging test in which high-frequency sound waves, not heard by the human ear, are transmitted through body tissues using a transducer, relaying pictures to a computer for display.

Upper endoscopy

A procedure that uses a small endoscope with a light and camera inserted down your throat to look inside the esophagus, stomach, and first part of the small intestine.