Medical Definition of fistulated
: having a fistula especially : having an artificial fistula study the digestive process in fistulated cows.
What is fistula and what causes it?
Fistulas form when inflammation causes sores, or ulcers, to form on the inside wall of the intestine or nearby organs. Those ulcers can extend through the entire thickness of the bowel wall, creating a tunnel to drain the pus from the infected area. An abcess, or a collection of pus, can also cause a fistula to form.
What exactly is a fistula?
A fistula is an abnormal connection between two body parts, such as an organ or blood vessel and another structure. Fistulas are usually the result of an injury or surgery. Infection or inflammation can also cause a fistula to form.