#shoulder_joint__shoulder__articulatio_humeri__articulatiohumeri  a ball-and-socket joint between the head of the humerus and a cavity of the scapula
  supertype:  spheroid_joint__ball-and-socket_joint__cotyloid_joint__enarthrodial_joint__enarthrosis__enarthrosi__articulatio_spheroidea__articulatiospheroidea  a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
  part of:  torso
  part:  scapula__shoulder_blade__shoulder_bone  either of two flat triangular bones one on each side of the shoulder in human beings
     part:  glenoid_cavity__glenoidcavity__glenoid_fossa__glenoidfossa  the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint
     part:  acromion  the outermost point of the spine of the shoulder blade
  part:  circumflex_humeral_artery__arteria_circumflexa_humeri__arteriacircumflexahumeri  an artery that supplies the shoulder joint and shoulder muscles
  part:  circumflex_scapular_artery__arteria_circumflexa_scapulae__arteriacircumflexascapulae  an artery that serves the muscles of the shoulder and scapular area
  part:  rotator_cuff__rotatorcuff  a supporting structure of the shoulder consisting of the muscles and tendons that attach the arm to the shoulder joint and enable the arm to move
     part:  deltoid_muscle__deltoidmuscle__deltoid__musculus_deltoideus  a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm

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