this is an anterior view of the thoracic cage (the bones that forms the thorax)
showing:
1. cervical vertebrae
2. jugular (suprasternal) notch
3. clavicular notch
4. manubrium
5. sternal angle
6. body of sternum
7. xiphoid process
8. sternum bone (ant. boundary)
9. intercostal space
10. costal cartilage
11. true ribs (1-7) (ant. and lateral boundary)
12. false ribs (8-12)
13. floating ribs (11-12) "no attachment to the sternum"
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