[hahy-per-o-stoh-sis] /ˌhaɪ pər ɒˈstoʊ sɪs/

noun, Pathology.
abnormal development of bony tissue.
noun (pathol) (pl) -ses (-siːz)
an abnormal enlargement of the outer layer of a bone
a bony growth arising from the root of a tooth or from the surface of a bone

hyperostosis hy·per·os·to·sis (hī’pər-ŏ-stō’sĭs)
n. pl. hy·per·os·to·ses (-sēz)

hy’per·os·tot’ic (-ŏ-stŏt’ĭk) adj.


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  • Hyperostosis frontalis interna

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