| Abbreviations | Meaning |
 | GITS | Gastrointestinal Therapeutic System |
 | LGIB | Low Gastrointestinal Bleeding |
 | A | Tumor Limited To The Bowel [Dukes Classification] |
 | GAS | Gastric Acid Secretion |
 | SIEA | Superficial Inferior Epigastric Artery |
 | OMGE | Organisation Mondiale De Gastro-Enterologie |
 | BS | Bowel Sounds |
 | RBPI | Intestinal Retinol-binding Protein |
 | TG | Transmissible Gastroenteritis |
 | UGI | (see GI) Upper Gastrointestinal |
 | NOII | Nonocclusive Intestinal Ischemia |
 | GIBF | Gastrointestinal Bacterial Flora |
 | SBFT | Small Bowel Follow-through |
 | IBF | Immature Brown Fat; Immunoglobulin-binding Factor; Insall-Burstein-Freeman [total Knee Instrumentation]; Intestinal Blood Flow |
 | BSA | Bowel Sounds Active |