Look at the accompanying diagram of a typical rib from the right side of the chest. The diagram has been sketched from above, i.e. you are viewing the superior aspect of the rib.

1. Head of rib
2. Neck of rib
3. Tubercle of rib
4. Angle of rib
5. Shaft of rib
6. Costochondral joint
7. Costal cartilage
8. Chondrosternal joint