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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «G»:

  1. Galenic arteriovenous malformation Galenic arteriovenous malformation
    Galenic arteriovenous malformation: See: Vein of Galen aneurysm....
  2. Galeophobia Galeophobia
    Galeophobia: An abnormally large and persistent fear of sharks. Sufferers from this phobia experience anxiety even though they may be safe on a boat or in an aquarium or on a beach. Hollywood films depicting sharks as calculating, vengeful diabolical monsters have no doubt enkindled the fear of ...
  3. Gallbladder Gallbladder
    Gallbladder: A pear-shaped organ just below the liver that stores the bile secreted by the liver. During a fatty meal, the gallbladder contracts, delivering the bile through the bile ducts into the intestines to help with digestion. Abnormal composition of bile leads to formation of gallstones, a pr...
  4. Gallbladder absence Gallbladder absence
    Gallbladder absence: This condition, also known as agenesis (failure of development) of the gallbladder, occurs in approximately one out of every 1,000 people. Gallbladder agenesis is an isolated abnormality in more than two-thirds (70%) of people with agenesis. The person with isolated agenesis of...
  5. Gallbladder agenesis Gallbladder agenesis
    Gallbladder agenesis: This is a condition in which the gallbladder fails to develop. This happens in approximately one out of every 1,000 people. Gallbladder agenesis is an isolated finding in more than two-thirds (70%) of people. The person with isolated gallbladder agenesis is healthy. No treatm...
  6. Gallium Gallium
    Gallium: A rare metal with the atomic weight of 69. There are several isotopic forms of gallium that differ from it in atomic weight. One is gallium-68 which is produced by cyclotrons and emits gamma rays. The citrate form of gallium-68 is used as a radiotracer to locate sites of inflammation ...
  7. Gallop rhythm Gallop rhythm
    Gallop rhythm: Heart rhythm like the gallop of a horse. ...
  8. Gallstone pancreatitis Gallstone pancreatitis
    Gallstone pancreatitis: Gallstone-induced pancreatitis. Pancreatitis due to gallstones....
  9. Gallstones Gallstones
    Gallstones: Stones that form when substances in the bile harden. Gallstones can be as small as a grain of sand or as large as a golf ball. There can be just one large stone, hundreds of tiny stones, or any combination. Gallstones can block the normal flow of bile if they lodge in any of the ducts t...
  10. Gallstones and ERCP Gallstones and ERCP
    Gallstones and ERCP: ERCP (endoscopic retrograde cholangiopancreatography) is a diagnostic procedure done to look for diseases of the liver, bile ducts and pancreas. A flexible tube is put down the throat, through the stomach, and into the small intestine. The doctor can see through the tube and...
  11. Gallstones, microscopic Gallstones, microscopic
    Gallstones, microscopic: A mixture of microscopic particulate matter in bile, also called biliary sludge, that occurs when particles of material precipitate from bile. (Bile is the fluid that is made by the liver. It is stored in the gallbladder until after a meal when it passes out of the gallbladd...
  12. Gallus gallus Gallus gallus
    Gallus gallus: The Red Jungle Fowl, the ancestor of domestic chickens....
  13. Gallus gallus genome Gallus gallus genome
    Gallus gallus genome: The genome of the Red Jungle Fowl, the ancestor of domestic chickens. See: Chicken genome....
  14. GALT GALT
    GALT: The enzyme (galactose-1-phosphate uridyl transferase) lack of which causes the genetic metabolic disease called galactosemia. GALT is also the symbol for the gene that encodes the enzyme....
  15. GALT deficiency GALT deficiency
    GALT deficiency: Lack of the enzyme called GALT (galactose-1-phosphate uridyl transferase) which causes the genetic metabolic disease galactosemia, one of the diseases in many newborn screening panels. The disease can be fatal, if undetected. If detected, it can be treated by avoiding galactose in t...