| LADA | laboratory animal dander allergy; left acromio-dorso-anterior [position]; left anterior descending a... |
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| LSA | left sacro-anterior [fetal position]; left subclavian artery; leukocyte-specific activity; lichen sc... |
| LVA | left ventricular aneurysm; left vertebral artery |
| LHS | left hand side; left heart strain; left heelstrike; lymphatic/hematopoietic system |
| LS | lateral suspensor; left sacrum; left septum; left side; legally separated; leiomyosarcoma; length of... |
| gastric pit | One of the numerous small pits in the mucous membrane of the stomach that are the mouths of the gastric glands. Synonym: foveola gastrica. (05 Mar 2000) |
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| gastric plexuses of autonomic system | The plexus's along the greater and lesser curvatures of the stomach derived from the coeliac plexus; also known as inferior and superior plexus. Synonym: plexus gastrici systematis autonomici. (05 Mar 2000) |
| gastric polyps | <radiology> Hyperplastic (most common), adenoma, hamartoma, Peutz-Jeghers syndrome, Cowden syndrome, inflammatory, Cronkhite-Canada syndrome, villous adenoma (12 Dec 1998) |
| gastric smear | A group of cytologic specimens containing material from the mouth (oral smear), oesophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialised lavage techniques; used principally for the diagnosis of cancer of those areas. (05 Mar 2000) |
| gastric stapling | Partitioning of the stomach by rows of staples; used to treat morbid obesity. (05 Mar 2000) |
| gastric stump | That portion of the stomach remaining after gastric surgery, usually gastrectomy or gastroenterostomy for cancer of the stomach or peptic ulcer. It is a common site of cancer referred to as stump cancer or carcinoma of the gastric stump. (12 Dec 1998) |
| gastric surface of spleen | The surface of the spleen in contact with the stomach. Synonym: facies gastrica splenis. (05 Mar 2000) |
| gastric tetany | Tetany associated with a gastric disorder, especially with loss of HCl by vomiting. Synonym: tetania gastrica. (05 Mar 2000) |
| gastric ulcer | <gastroenterology> An ulcer in the mucosal lining of the stomach. Ulcer formation results from gastric inflammation that may be triggered by the use of alcohol, aspirin or non-steroidal anti-inflammatories agents. Symptoms include recurrent abdominal pains (may be relieved by antacids), nausea, vomiting, weight loss and fatigue. Complications include GI bleeding, obstruction, perforation and ulcer penetration into surrounding tissues. Treatment includes the avoidance of alcohol, smoking, aspirin, anti-inflammatories and caffeine. Medications such as antacids or H2 antagonists (for example cimetidine, ranitidine) or proton pump inhibitors (omeprazole) have been shown to be effective treatment. (27 Sep 1997) |
| gastric ulcers | <radiology> Criteria for benignity: projection beyond luminal contour, depth greater than width, smooth fading of gastric folds, lesser curvature (not reliable), concomitant duodenal ulcers, Hampden's line (1-mm lucent line), persistent pooling of barium in crater see also: Carman meniscus sign (12 Dec 1998) |
| gastric varices | <radiology> Usually associated with oesophageal varices (due to portal hypertension), if WITHOUT oesophageal varices most likely to be consider splenic vein thrombosis due to: pancreatitis / panc carcinoma, increased clotting tendency (polycythemia, etc.) Differential diagnosis: thick gastric folds (12 Dec 1998) |
| gastric veins | See: short gastric veins, right gastric vein, left gastric vein. (05 Mar 2000) |
| gastric vertigo | Vertigo symptomatic of disease of the stomach. Synonym: Trousseau's syndrome. (05 Mar 2000) |
| gastric volvulus | <radiology> Mesenteroaxial, antrum lies above cardia (i.e., rotation around line connecting greater and lesser curvature), form seen in neonates, obstruction at pylorus or GE junction, usually acute, associated with eventration of left hemidiaphragm or diaphragmatic hernia, organoaxial, rare in kids, associated with large hiatus hernia, rotation along long axis of stomach may be asymptomatic if no outlet obstruction or vascular compromise (12 Dec 1998) |
| parietal cells, gastric | Cells of the gastric glands which secrete hydrochloric acid and intrinsic factor. (12 Dec 1998) |