connects clavicle bone acromion acromioclavicular joint Any joint connecting the acromonion of the scapula and clavicle. scapuloclavicular articulation GAID:249 acromioclavicular articulation SCTID:182166001 MESH:D000173 articulatio acromioclavicularis NCIT:C32047 Wikipedia:Acromioclavicular_joint FMA:25898 synovial joint of pectoral girdle shoulder joint