costal cartilage

Noun
  1. The cartilages that connect the sternum and the ends of the ribs;
    Its elasticity allows the chest to move in respiration (synset 105600057)
    is a type of: cartilaginous structure - body structure given shape by 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)

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