Enteroscopy is the procedure of using an endoscope for the direct visualization of the small bowel. Etymologically, the word could potentially refer to any bowel endoscopy, but idiomatically it is conventionally restricted to small bowel endoscopy, in distinction from colonoscopy, which is large bowel endoscopy. Various types of enteroscopy exist, as follows:Video chip enteroscopy Double-balloon enteroscopy Single-balloon enteroscopy Spiral enteroscopy Wireless endoscopy Capsule endoscopy