Definition: The word 'arteriorrhexis' comes from Ancient Greek, meaning "horns," referring to a condition where arteries in the brain or spinal cord become swollen and distorted, often due to tumors. Detailed definition involves: - Inflammation: The increased production of inflammation in these areas. - Tumor growth: Arteriorrhexism is thought to occur when there are abnormal tumors that grow within the arterial vessels, causing swelling and distortion. - Stroke: Arteriorrhexis can cause a stroke if it disrupts normal blood flow.