Manubrium of sternum
Manubrium sterni
SkeletalSkeletonThorax
- What it is
- The broad upper part of the breastbone, with the jugular notch on top and notches for the clavicles and first ribs.
- Function
- Anchors the clavicles (sternoclavicular joints) and the first two pairs of costal cartilages.
- Size
- ≈ 50 mm wide, 60 mm tall, 12 mm thick
- Clinical note
- Its joint with the sternal body forms the sternal angle (of Louis), the landmark for the 2nd rib and the tracheal bifurcation.