#shoulder_girdle__pectoral_arch  the bony arch formed by the collarbones and shoulder blades in humans
  supertype:  #arch.skeletal_structure  a curved bony structure supporting or enclosing organs (especially arches of the feet)
  part of:  #pectoral_girdle  a skeletal support to which the forelimbs of vertebrates are attached
     part of:  #appendicular_skeleton  the part of the skeleton that includes the pectoral girdle and the pelvic girdle and the upper and lower limbs
        part of:  #endoskeleton  the internal skeleton; bony and cartilaginous structure (especially of vertebrates)

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