(1)（最初の2つを除いた）脊柱の間の繊維軟骨円板
(2)a fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two)
さらに詳しく
(1)背骨の関節の炎症
(2)痛みと硬直が特徴
(3)inflammation of a spinal joint; characterized by pain and stiffness
