| GAS | galactorrhea-amenorrhea syndrome; gastric acid secretion; gastrin; gastroenterology; general adaptat... |
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| GBP | galactose-binding protein; gastric bypass; gated blood pool |
| GBS | gallbladder series; gastric bypass surgery; group B Streptococcus; general biopsychosocial screening... |
| GCA | gastric cancer area; giant cell arteritis |
| GCLO | gastric Campylobacter-like organism |
| gastric freezing | Formerly used treatment for peptic ulcer designed to reduce or eliminate the production of acid gastric juice by freezing the secretory cells with a supercooled fluid introduced into a balloon positioned in the stomach. (05 Mar 2000) |
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| gastric fundus | The superior portion of the body of the stomach above the level of the cardiac notch. (12 Dec 1998) |
| gastric glands | Branched tubular glands lying in the mucosa of the fundus and body of the stomach; such glands contain parietal cells that secrete hydrochloric acid, zymogen cells that produce pepsin, and mucous cells. Synonym: glandulae gastricae, glandulae propriae, fundus glands, gastric follicles, Wasmann's glands. (05 Mar 2000) |
| gastric haemorrhage | Haemorrhage from the stomach. Synonym: gastric haemorrhage. Origin: Gastro-+ G. Rhegnymi, to burst forth (05 Mar 2000) |
| gastric hypersecretion | Excessive formation of gastric juice, especially the acid component. (05 Mar 2000) |
| gastric impression | A hollow on the visceral surface of the left lobe of the liver corresponding to the location of the stomach. Synonym: impressio gastrica. (05 Mar 2000) |
| gastric indigestion | <symptom> The impairment of the power of function of digestion, usually applied to epigastric discomfort following meals. Origin: Gr. Peptein = to digest (18 Nov 1997) |
| gastric inhibitory polypeptide | <hormone> Peptide hormone (43 amino acids) that stimulates insulin release and inhibits the release of gastric acid and pepsin. Acronym: GIP (18 Nov 1997) |
| gastric juice | The liquid secretion of the stomach mucosa consisting of hydrochloric acid (gastric acid), pepsinogen, intrinsic factor, gastrin, mucus, and the bicarbonate ion (bicarbonates). (12 Dec 1998) |
| gastric lavage | <procedure> A procedure used to empty the stomach of its contents. Performed using a flexible rubber tube that is passed through the mouth and advanced to the stomach. This procedure includes the instillation of a balanced salt solution into the stomach (via the tube) followed by suctioning the fluid out of the stomach. An effective procedure in the treatment of toxic ingestions. (27 Sep 1997) |
| gastric lymphatic follicles | Lymphoid tissue within the lamina propria which, especially in early life, collect in small masses similar to intestinal solitary lymphatic follicles. Synonym: folliculi lymphatici gastrici. (05 Mar 2000) |
| gastric mucosa | Surface epithelium in the stomach that invaginates into the lamina propria, forming gastric pits. Tubular glands, characteristic of each region of the stomach (cardiac, gastric, and pyloric), empty into the gastric pits. The gastric mucosa is made up of several different kinds of cells. (12 Dec 1998) |
| gastric narrowing | <radiology> Neoplastic, carcinoma (linitis plastica), lymphoma, metastases, inflammatory, caustic, radiotherapy, granulomatous disease: Crohn disease, TB, sarcoidosis, eosinophilic enteritis see: gastric outlet obstruction (12 Dec 1998) |
| gastric neurasthenia | A condition marked by vague epigastric atony and distention, and mild neurasthenic symptoms. (05 Mar 2000) |
| gastric outlet obstruction | <paediatrics, surgery> A congenital disorder in which the pylorus is thickened causing obstruction of the gastric outlet (to the duodenum). More common in males, pyloric stenosis. Symptoms of projectile vomiting begin several weeks after birth. Incidence: approximately 1 in 4,000 live births. (27 Sep 1997) |