Relating to or extending between the back and the breastbone (sternum).
From Latin 'dorsum' (back) combined with 'sternal' (relating to the sternum or breastbone), describing anatomical position or connection.
The sternum is the only bone in your body that's flat and blade-like by design—it protects your heart—so any anatomical term involving the sternum describes something crucial to keeping you alive.
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