Glossary index
Medical terms beginning with G
Browse medical definitions and meanings in the complete glossary, or choose a letter to narrow the list.
G terms
194 results-
A condition marked by excessive worry and feelings of fear, dread, and uneasiness that last six months or longer.
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A metal element that is used in magnetic resonance imaging (MRI) and other imaging methods.
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A substance that is being studied in the treatment of cancer.
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The pear-shaped organ found below the liver.
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Cancer that forms in tissues of the gallbladder.
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A procedure to detect areas of the body where cells are dividing rapidly.
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Solid material that forms in the gallbladder or common bile duct.
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A change in the heat and electricity passed through the skin by nerves and sweat.
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A type of radiation therapy that uses gamma radiation.
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A treatment using gamma rays, a type of high-energy radiation that can be tightly focused on small tumors or other lesions in the head or neck, so very little normal tissue receives radiation.
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A type of high-energy radiation that is different from an x-ray.
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In anatomy, a ganglion (plural ganglia) is a biological tissue mass, most commonly a mass of nerve cell bodies.
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A complex molecule that contains both lipids (fats) and carbohydrates (sugars) and is found in the plasma (outer) membrane of many kinds of cells.
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A plant whose roots are used as a sedative and to treat certain medical conditions.
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A plant whose roots are used as a sedative and to treat certain medical conditions.
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An operation to remove all or part of the stomach.
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Having to do with the stomach.
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Acid that is released into the stomach from glands in the stomach wall.
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A test used to measure the amount of gastric acid made by the stomach.
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A condition in which the stomach muscles shrink and become weak.