pectoral arch


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pectoral arch

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Noun1.pectoral arch - the bony arch formed by the collarbones and shoulder blades in humanspectoral arch - the bony arch formed by the collarbones and shoulder blades in humans
arch - a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
pectoral girdle - a skeletal support to which the forelimbs of vertebrates are attached