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Two thoracic vertebrae seen from behind, i.e., the end turned from the head. Labels: C, the body; A, neural arch; Ps, spinous process; Pas, anterior articular process; Pai, posterior articular process; Pt, transverse process; Ft, facet for articulation with the tubercle of a rib; Fcs, Fci, articular surface on the centrum for articulation with a rib.

Thoracic Vertebrae

Two thoracic vertebrae seen from behind, i.e., the end turned from the head. Labels: C, the body; A,…