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).
Gallstones cause fistulas when the hard gallstone erodes through the soft wall of the gallbladder or bile ducts. Most commonly, the gallstone erodes into the small intestine, stomach, or common bile duct.