Drug Glossary and Definition

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Pharmacist's Guide

Table of Contents

Drug Glossary - G

G6PD Deficiency of glucose 6-phosphate, which is necessary for glucose metabolism.
Ganglionic Blockers Medicines that block the passage of nerve impulses through a part of the nerve cell called a ganglion. Ganglionic blockers are used to treat urinary retention and other medical problems. Bethanechol is one of the best ganglionic blockers.
Gastritis Inflammation of the stomach.
Gastrointestinal Of the stomach and intestinal tract.
Generic Drug A generic drug is the same as a brand name drug in dosage, safety, strength, how it is taken, quality, performance, and intended use.
Gland Organ or group of cells that manufactures and excretes materials not required for its own metabolic needs.
Glaucoma Eye disease in which increased pressure inside the eye damages the optic nerve, causes pain and changes vision.
Glucagon Injectable drug that immediately elevates blood sugar by mobilizing glycogen from the liver.
Gold Compounds Medicines which use gold as their base and are usually used to treat joint or arthritic disorders. These medicines include auranofin, aurothioglucose, gold sodium thiomalate.
galactose the simple sugar (monosaccharide) to which lactose is broken down during digestion
galactosemia inherited error in metabolism that prevents normal metabolism of galactose
galactosuria galactose in the urine
gastric bypass surgical reduction of the stomach
gastric juices the digestive secretions of the stomach
gastric ulcer ulcer in the stomach
gastrin hormone released by the stomach
gastroesophageal reflux (GER) backflow of stomach contents into the esophagus
gastrointestinal (GI) tract pertaining to the stomach and intestines
gastrostomy opening created by the surgeon directly into the stomach for enteral nutrition
genetic predisposition inherited tendency
geriatrics the branch of medicine involved with diseases of the elderly
germ embryo or tiny life center of each kernel of grain
gerontology the study of aging
gestational diabetes diabetes occurring during pregnancy; usually disappears after delivery of the infant
glomerular filtration rate (GFR) the rate at which the kidneys filter the blood
glomerulonephritis inflammation of the glomeruli of the kidneys
glomerulus filtering unit in the kidneys
glucagon hormone from alpha cells of pancreas; helps cells release energy
glucose the simple sugar to which carbohydrate must be broken down for absorption; also known as dextrose
gluten protein found in grains
glycerol a component of fat; derived form a water-soluble carbohydrate
glycogen glucose as stored in the liver and muscles
glycogen loading process in which the muscle store of glycogen is maximized; also called carboloading
glycosuria excess sugar in the urine
goiter enlarged tissue of the thyroid gland due to a deficiency of iodine

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