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Costal cartilage 2
Other Terms: Costal cartilage of rib, Cartilago costalis, Cartilage costal
The second costal cartilage is longer and narrower than its predecessor. It projects horizontally from the second rib to attach to the sternum via a synovial joint. The pectoralis major muscle attaches on its medial aspect anteriorly, while the transversus thoracis muscle attaches to its posterior surface.