Name: Alioramus â­(â¬Different Branchâ­)â¬. Phonetic: Ah-lee-oh-ray-mus. Named By: Sergei Kurzanovâ­ â¬-â­ â¬1976. Classification: Chordata,â­ â¬Reptilia,â­ â¬Dinosauria,â­ â¬Saurischia,â­ â¬Theropoda,â­ â¬Tyrannosauroidea,â­ â¬Tyrannosauridae,â­ â¬Tyrannosaurinae. Species: A.â­ â¬remotusâ­ (â¬typeâ­)â¬,â­ â¬A.â­ â¬altai.
Definition. A gastrointestinal fistula is an abnormal opening in the stomach or intestines that allows the contents to leak. 1  Leaks that go through to a part of the intestines are called entero-enteral fistulas.2  Leaks that go through to the skin are called enterocutaneous fistulas.auses. Most gastrointestinal fistulas occur after surgery. Other causes include: 1  Blockage in the gastrointestinal tract. 2  Infection. 3  Inflammatory bowel disease (most often Crohn's disease).
About 50% of these abscesses may develop into a fistula, in which a small tunnel connects the infected gland inside the anus to an opening on the skin around the anus. What causes an anal fistula? Most fistulas result from an anal abscess.