part of part of Homo sapiens thoracic vertebra 7 zone of bone organ transverse costal facet of seventh thoracic vertebra 2026-03-19T00:00:00Z A zone of bone organ located on the anterior surface of the transverse process of the seventh thoracic vertebra, articulating with the tubercle of the seventh rib at the costotransverse joint. The transverse processes decrease in length inferiorly through the thoracic series, and the facet at T7 is smaller than those of the upper thoracic vertebrae. David Osumi-Sutherland