急性灰白髄炎きゅうせいかいはくずいえん Noun English jmdict 1 noun (common) (futsuumeishi) medicine poliomyelitis;polio See also: ポリオ
髄ずい Noun English jmdict 1 noun (common) (futsuumeishi) botany medulla;pith 2 noun (common) (futsuumeishi) anatomy marrow