释义 |
exostosis noun[ C ] anatomy specializeduk /ˌek.səˈstəʊ.sɪs/ us /ˌek.səˈstoʊ.sɪs/pluralexostosesuk /ˌek.səˈstəʊ.siz/ us /ˌek.səˈstoʊ.siz/ an extra piece of bone that grows out from the normal surface of another bone: Clinical symptoms improve in most patients following removal of the exostosis. The most frequent changes in the spine were exostoses and ossification of the ligaments. An exostosis, or bone growth, on his fibula was likely caused by a wound. Normal variations or congenital anomalies can be mistaken for exostoses. Multiple exostoses, a genetic condition that causes bumps on the bones, increases the risk of developing chondrosarcoma. SMART Vocabulary: related words and phrases Bone structures acetabular acetabulum acromial acromioclavicular acromion frontal bone glenoid gnathic gynecoid hamate osteophyte osteotomy parietal parietal bone pectoral girdle TMJ trapezoidal triquetrum true rib tubercle |