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Coronal section of brain with cerebral infarction
Cerebral infarction. Coronal section of a brain showing an area with an old and healed cerebral infarction. The infarct (area of dead tissue) appears as the round area at lower centre right. Cerebral infarction is caused by an obstruction in a cerebral artery with resulting interruption in the blood supply. Arterial blockage may be due to thrombosis (blood clot) or embolism (a fragment or air bubble in the blood). The infarction may also be due to haemorrhage from a weakened arterial wall. The affected area is starved of oxygen with consequent tissue death. The result is a nervous disturbance called a stroke or cerebrovascular accident (CVA).
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