22 Sternum
- Manubrium – bone that is trapezoidal in shape, makes up the superior aspect of the sternum.
- Jugular notch – concave notches on either side of the superior aspect of the manubrium, for articulation with the clavicles.
- Corpus or body – flat, rectangular bone making up the major portion of the sternum. The lateral aspects contain the notches for the true ribs, called the costal notches.
- Xiphoid process – variably shaped bone found at the inferior aspect of the corpus. Process may fuse late in life to the corpus.
