略語大辞典 [Med] 18 RAS reticular activating system 網様体賦活系. 細網状活性化システム. 脳幹調節システム. reticular activating system; or ARAS(ascending reticular activation system); or ARS(activating reticular system); a brain stem regulatory system; in neurology; [Med]. 丸善「略語大辞典」JLogosID : 11857419