Occlusion of Aery of Adamkiewicz leads to infarction of which of the following structures? NOT RELATED - MEDICINE

Also called as Aeria radicularis magna- supplies the anterior spinal aery, can arise from Subcostal, Posterior intercostal or lumbar aeries. Occlusion commonly occurs during surgery for thoracoabdominal aneurysms which leads to spinal cord infarction and paraplegia