抗こう核かく抗こう体たいMeanings1nounantinuclear antibody; ANAmedicine›Medical term for autoantibodies that target components of the cell nucleus; commonly tested in autoimmune disease diagnosis.抗こう核かく抗こう体たい検けん査さは、全ぜん身しん性せいエリテマトーデスの診しん断だんに用もちいられる。The antinuclear antibody test is used in the diagnosis of systemic lupus erythematosus.