tubercle of rib

tu·ber·cle of rib

[TA] the knob on the posterior surface of a rib, at the junction of its neck and shaft, which articulates with the transverse process of the vertebra, which corresponds in number to the rib, forming a costotransverse joint. Synonym(s): tuberculum costae [TA]

tu·ber·cle of rib

(tū'bĕr-kĕl rib) [TA] The knob on the posterior surface of a rib, at the junction of its neck and shaft, that articulates with the transverse process of the vertebra, which corresponds in number to the rib, forming a costotransverse joint.