MRI scan of normal blood supply to brain

MRI scan of normal blood supply to brain

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Credit: SIMON FRASER/NEURORADIOLOGY DEPT/NEWCASTLE GENERAL HOSPITAL/SCIENCE PHOTO LIBRARY

Caption: The cerebral circulation. Magnetic resonance image (MRI) revealing the blood supply to a normal brain, with no defects shown. The subject was a boy aged 16 years. The suitability of MRI for imaging blood vessels is based on the absence of a signal from rapidly flowing blood. This provides for a high degree of contrast between the lumen (the interior of the blood vessel) and any surrounding tissue. Thus far (1991) MRI has been applied to non-invasive studies of the heart & great vessels, in the detection of aneurysms & aortic dissection. Unlike CT, no contrast media are needed for MRI vascular scans.

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Keywords: anatomy, blood supply, brain, brain scan, cerebral blood flow, cerebral circulation, human body, mri scan, nervous system, neuroimaging

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