1 — Rib [XII]; 2 — Vertebra [TXII]; 3 — Intervertebral disc; 4 — Spinous process; 5 — Vertebra [TI]; 6 — First rib [I]; 7 — Jugular notch; Suprasternal notch; 8 — Sternum; 9 — True ribs [I-VII]; 10 — Costal cartilage; 11 — Costal margin; Costal arch; 12 — False ribs [VIII-XII];
13 — Floating ribs [Xl-XII]
