Blood vessel dilatio: An aneurysm is a problem of a blood vessel where the wall is weak or injury, causing it to bulge outward like a balloon. Cerebral means in the brain. Cerebral aneursyms can lead to blood clots or bleeding in the brain, often referred to as a type of "stroke", or medically, a cerebro-vascular accident (cva). Sometimes they can be left alone, other times they need surgery.
Answered 5/14/2014
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