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1849, Modern Latin, from Latin spondylus, from Greek spondylos, variant of sphondylos "vertebra" + -itis.
spondylitis spon·dy·li·tis (spŏn'dl-ī'tĭs)n. Inflammation of one or more vertebrae.
inflammation of one or more of the vertebrae. Spondylitis takes several forms; the most widely occurring forms are ankylosing spondylitis, hypertrophic spondylitis, and tuberculous spondylitis.