umls-concept:C0917798 | skos:definition | NCI: Diminished or absent blood supply to the brain caused by obstruction (thrombosis or embolism) of an artery resulting in neurologic damage.,NCI: A disorder characterized by a decrease or absence of blood supply to the brain caused by obstruction (thrombosis or embolism) of an artery resulting in neurological damage. | lld:umls |