part of part of Homo sapiens thoracic vertebra 10 zone of bone organ transverse costal facet of tenth thoracic vertebra 2026-03-19T00:00:00Z A zone of bone organ located on the anterior surface of the transverse process of the tenth thoracic vertebra, articulating with the tubercle of the tenth rib at the costotransverse joint. T10 bears a transverse costal facet, though it is variably developed; the single complete costal facet on its body accommodates the head of the tenth rib. David Osumi-Sutherland