magnetic resonance angiography; MRA
Medical imaging technique that uses MRI to visualize blood vessels. Often abbreviated as MRA.
See also: ＭＲＡ
Magnetic resonance angiography can depict blood vessels without using contrast agents.
Magnetic resonance angiography is used for screening cerebral aneurysms.
MRI is a broader imaging technique; MRA specifically targets blood vessels.
CT angiography uses X-rays and contrast agents, while MRA uses magnetic fields and often avoids contrast.
Compound of 磁気 (magnetic), 共鳴 (resonance), 血管 (blood vessel), and 撮影 (imaging), reflecting the English term 'magnetic resonance angiography'.