noun
ankylosing spondylitis
Medical term for a chronic inflammatory disease primarily affecting the spine and sacroiliac joints.
強直性脊椎炎は、脊椎の靭帯や関節に炎症が起こる病気です。
Ankylosing spondylitis is a disease in which inflammation occurs in the ligaments and joints of the spine.
Compound of 強直 (kyōchoku, 'stiffness, rigidity'), 性 (-sei, '-like, of that nature'), 脊椎 (sekitsui, 'spine'), and 炎 (-en, 'inflammation').