| zygapophyseal | Relating to a zygapophysis or articular process of a vertebra. (05 Mar 2000) |
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| zygapophyseal joints | The synovial joints between zygapophyses or articular processes of the vertebrae. Synonym: articulationes zygapophyseales, facet joints, interarticular joints, juncturae zygapophyseales. (05 Mar 2000) |