part of part of Homo sapiens mammalian cervical vertebra 6 zone of bone organ inferior articular facet of sixth cervical vertebra 2026-03-19T00:00:00Z A zone of bone organ on the inferior articular process of the sixth cervical vertebra (C6), presenting an obliquely oriented smooth articular surface directed anteroinferiorly and laterally to articulate with the superior articular facet of C7. David Osumi-Sutherland