Located or occurring outside the ribs or the costal region of the body.
From Latin 'extra' (outside) + 'costalis' (relating to ribs), from 'costa' (rib). This anatomical term has been used since the 18th century in medical literature to describe locations on the body.
Doctors use this term to pinpoint pain or injury in the spaces between your ribs or in the chest wall tissues—if you've ever had that sharp ache between your ribs from exercise, that's extracostal pain!
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