A cerebral hemorrhage may be caused by a localized weakness in a blood vessel wall that dilates and bursts. this weak section of blood vessel is called a(n) _________
This weak section of blood vessel is called an ANEURYSM. Aneurysm is defined as an excessive localized enlargement of an artery which is caused by the weakness of the artery wall. This weakness allows the artery to increase in size abnormally.