magnetic resonance angiography
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MR an·gi·og·ra·phy (MRA),
imaging of blood vessels using special magnetic resonance (MR) sequences that enhance the signal of flowing blood and suppress that from other tissues.
Synonym(s): magnetic resonance angiography
Farlex Partner Medical Dictionary © Farlex 2012
magnetic resonance angiographyA term for the magnetic resonance imaging of selected vascular structures—e.g., circle of Willis or the carotid arteries.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
magnetic resonance angiographyPeripheral MR angiography Imaging An imaging technique in which a contrast dye is injected into a blood vessel and magnetic resonance is used to create an image of the flowing blood through the vessel; often used to detect stenosis of the cerebral arteries. See Contrast enhanced method–MRI, Phase contrast method–MRI, Time-of-flight method.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
mag·net·ic res·o·nance an·gi·og·ra·phy(MRA) (mag-net'ik rez'ŏ-năns an'jē-og'ră-fē)
Method of visualizing vessels that contain flowing nuclei by producing a contrast between them and the stationary nuclei.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Magnetic resonance angiography
A noninvasive diagnostic technique that uses radio waves to map the internal anatomy of the blood vessels.
Mentioned in: Cerebral Aneurysm
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.