Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «G»:
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Gastric emptying study
Gastric emptying study: A gastric emptying study evaluates the emptying of food from the stomach.
For a gastric emptying study, a patient eats a meal in which the solid food, liquid food or both are mixed with a small amount of radioactive material. A scanner (acting like a Geiger counter) is pla...
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Gastric MALT lymphoma
Gastric MALT lymphoma: A low-grade malignant lymphoma of the stomach associated with chronic infection by the bacterium H. pylori. Three-quarters of gastric MALT lymphomas regress after the eradication of H. pylori with antibiotics. The one-quarter that are unresponsive to antibiotics carry a charac...
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Gastric outlet
Gastric outlet: The exit from the stomach through the pyloric channel and duodenum....
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Gastric outlet obstruction
Gastric outlet obstruction: Any disease that mechanically impedes gastric emptying, the normal emptying of the stomach. There is obstruction of the channel of the pylorus and duodenum through which the stomach empties. The cause of the obstruction may be a benign or malignant disease. The most comm...
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Gastric stapling
Gastric stapling: A surgical procedure that
converts the upper part of the stomach into a very small
pouch by stapling portions of the stomach together, forcing
an obese person to eat only tiny portions yet still feel
full. It is normally done only in severe cases, and in
combination with diet ...
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Gastric ulcer
Gastric ulcer: A hole in the lining of the stomach
corroded by the acidic digestive juices which are secreted by the stomach cells. Ulcer
formation is related to H. pyloridus bacteria in the stomach, anti-inflammatory
medications, and smoking cigarettes. Ulcer pain may not correlate with the presenc...
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Gastric volvulus
Gastric volvulus: See: Volvulus....
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Gastritis
Gastritis: Inflammation of the stomach. From the Latin gastricus meaning stomach + -itis, meaning inflammation....
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Gastroentenologist
Gastroentenologist: A common misspelling of gastroenterologist....
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Gastroenteritis
Gastroenteritis: Inflammation of the stomach and the intestines. Can cause nausea and vomiting and/or diarrhea. Gastroenteritis has numerous causes: including infectious organisms (viruses, bacteria, etc.), food poisoning, and stress....
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Gastroenterologic disease
Gastroenterologic disease: Any disease of the digestive system. Gastroenterologic disorders include Barrett's esophagus, bile duct disease, celiac disease, cirrhosis of the liver, colon polyps and colon cancer, constipation and diarrhea, Crohn's disease, diverticulosis and diverticulitis,
gallblad...
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Gastroenterologist
Gastroenterologist: A physician who specializes in the diagnosis and treatment of disorders of the gastrointestinal tract, including the esophagus, stomach, small intestine, large intestine, pancreas, liver, gallbladder, and biliary system....
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Gastroenterology
Gastroenterology: The medical specialty devoted to the study, diagnosis and treatment of disorders of the digestive system. These disorders may affect the esophagus (swallowing tube), stomach, small intestine, large intestine (colon), rectum, liver, gallbladder, or pancreas.
Gastroenterology is popu...
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Gastroesophageal
Gastroesophageal: Pertaining to both the stomach and the esophagus, as in the gastroesophageal junction, the place where the esophagus connects to the stomach....
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Gastroesophageal junction
Gastroesophageal junction: The junction between the stomach and the esophagus; the place where the esophagus connects to the stomach....
