| Abbreviations | Meaning |
 | GAS | Gastric Acid Secretion |
 | SGV | Salivary Gland Virus; Selective Gastric Vagotomy; Short Gastric Vessel |
 | FBD | Functional Bowel Disorder/distress |
 | IBS | Irritable Bowel Syndrome |
 | ECTA | Esophageal Gastric Tube Airway; Everyman's Contingency Table Analysis |
 | PGA | Pancreaticogastrostomy |
 | IGP | Intestinal Glycoprotein |
 | ACG | American College Of Gastroenterology |
 | NG | Nasogastric; Neisseria Gonorrhoeae; Neoplastic Growth; New Growth; Nitroglycerin; Nodose Ganglion; No Growth; Not Given |
 | ABCDEFGH | Air Ways, Bones, Cardiac Shadow, Diaphragm, Effusions, Fields (pulmonary), Gastric, Hardware (chest X-ray Reading Mnemonic) |
 | GET | Gastric Emptying Time; General Endotracheal [anesthesia]; Graded Treadmill Exercise Test |
 | GPIMH | Guinea Pig Intestinal Mucosal Homogenate |
 | IBB | Intestinal Brush Border |
 | SI | Small Intestine |
 | GDU | Gastroduodenal Ulcer |