polyostotic
/ˌpɒlɪəʊˈstɒtɪk/Medicine
adjective
Of a medical condition affecting the bones: present at various sites; affecting several or many bones. Especially in polyostotic fibrous dysplasia, a feature of McCune–Albright syndrome.
Origin
1930s; earliest use found in American Journal of Surgery. From poly- + ancient Greek ὀστο-, combining form of ὀστέον bone + -otic.