| Abbreviations | Meaning |
 | UG | Urogastrone |
 | IBF | Immature Brown Fat; Immunoglobulin-binding Factor; Insall-Burstein-Freeman [total Knee Instrumentation]; Intestinal Blood Flow |
 | BSR | Bowel Sounds Regular |
 | GT | Gastrostomy |
 | GII | Gastrointestinal Infection |
 | GI | [gaster (Greek)] Gastrointestinal |
 | GET | Gastric Emptying Time; General Endotracheal [anesthesia]; Graded Treadmill Exercise Test |
 | SMBFT | Small Bowel Follow-through |
 | SBS | Short Bowel Syndrome |
 | GIB | Gastrointestinal Bleeding |
 | GASTROC | Gastrocnemius [muscle] |
 | GJ | Gap Junction; Gastric Juice; Gastrojejunostomy |
 | IL | Intestinal Lymphocyte |
 | IGC | Immature Germ Cell; Intragastric Cannula |
 | GEPG | Gastroesophageal Pressure Gradient |