Skip to main content


  • Tenesmus: A feeling of needing to pass stool, even when the bowels are empty. With tenesmus there is a spasm of the muscles in the rectum and/or anus that is usually very painful. People with IBD and IBS may experience tenesmus as one symptom of their disease.
  • The International Gastrointestinal Eosinophilic Researchers (TIGER): A group of researchers from around the world focused on eosinophilic gastrointestinal disorders.
  • TIGER: See The International Gastrointestinal Eosinophilic Researchers.
  • Total Parenteral Nutrition (TPN): Complete nutrition (including fat, carbohydrate, amino acids, vitamins, minerals, and water) given as an intravenous infusion.
  • TPN: See Total Parenteral Nutrition.
  • Trachealization: Having the appearance of the trachea; relative to EoE, the presence of fixed esophageal rings
  • Transverse Colon: The part of the large intestine that connects the hepatic flexure with the splenic flexure and which lies across the abdomen from right to the left.
  • Tube Feeding: Any form of feeding of liquid meals through a tube, including GT, GJ, JT, ND and NG Tubes.