Sternum or Breast Bone:
1. It forms a respiratory basket along with ribs & thoracic vertebrae.
2. It is a flat bone which has distinct flat anterior & posterior sides.
3. It has 3 parts –
- Manubrium – Upper part, the clavicle & ribs are attached to it.
- Sternum body or Glandiolous – Middle part, 2nd, 3rd, 4th 5th, 6th & 7th ribs get attached to it.
- Xiphoid process or Ensiform – Posterior part, small & triangular plate.
4. The ribs articulate its ends
