has part has part has_part characteristic of part of has modifier abnormal pectoral girdle joint morphology abnormal sternoclavicular joint morphology 2018-10-24T10:31:51Z any structural anomaly of the synovial joint between the clavicle and the manubrium of the sternum; it is the only attachment of the upper limb to the axial skeleton and consists of the sternal end of the clavicle, the manubrium of the sternum, and part of the first costal cartilage; the articular surfaces are covered with fibrocartilage (as opposed to hyaline cartilage); the joint is separated into two compartments by a fibrocartilaginous articular disk abnormal sternoclavicular articulation morphology MPheno.ontology abnormal sterno-clavicular joint morphology MP:0030887 morphology abnormal sternoclavicular joint