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Which term refers to cartilages between ribs and sternum?

Costal

Costal cartilage is the name for the cartilaginous extensions that connect the front ends of the ribs to the sternum. The term costal comes from costa, meaning rib, so it’s the rib-related term used to describe these cartilages. They provide a flexible yet sturdy link that allows the thoracic cage to expand during breathing. The other options point to unrelated structures—cups, the jawbone (mandible), and the nasal conchae—so they don’t fit.

Cup

Mandible

Concha

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