noun
intervertebral joint; facet joint
Anatomical term for the joints between vertebrae. In medical contexts, 'facet joint' is common.
椎間関節の変形が腰痛の原因になることがあります。
Deformation of the facet joints can cause lower back pain.
Compound of 椎間 (intervertebral) and 関節 (joint). The exact historical derivation is uncertain; the spelling is conventionally associated with the anatomical meaning.