what cartilage makes up the costal cartilage
Hypernyms (costal cartilage is a kind of...): cartilaginous structure (body structure given shape by cartilage). Holonyms (costal cartilage is a part of...): costa; rib (any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)).