exostosis


ex·os·to·sis

noun \ˌek-(ˌ)säs-ˈtō-səs\
plural ex·os·to·ses\-ˌsēz\

Definition of EXOSTOSIS

:  a spur or bony outgrowth from a bone or the root of a tooth

Origin of EXOSTOSIS

New Latin, from Greek exostōsis, from ex out of + osteon bone — more at ex-, osseous
First Known Use: 1736

ex·os·to·sis

noun \ˌek-(ˌ)säs-ˈtō-səs\   (Medical Dictionary)
plural ex·os·to·ses \-ˌsēz\

Medical Definition of EXOSTOSIS

: a spur or bony outgrowth from a bone or the root of a tooth
ex·os·tot·ic \-ˈtät-ik\ adjective

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