part of part of Homo sapiens thoracic vertebra 6 zone of bone organ inferior articular facet of sixth thoracic vertebra 2026-03-19T00:00:00Z A zone of bone organ located on the inferior articular process of the sixth thoracic vertebra, facing anteroinferiorly and oriented in the coronal plane. It articulates with the superior articular facet of T7, forming the zygapophyseal joint that contributes to stability and guides movement in the mid-thoracic spine. David Osumi-Sutherland