Medical Dictionary

keratoma

noun ker·a·to·ma \ ˌker-ə-ˈtō-mə \

medical Definition of keratoma

plural keratomas also keratomata play \-mət-ə\
1 : a hard thickened area of skin produced by hypertrophy of the horny layers : callus
2 : a tumorlike growth of horny tissue on the inner surface of the wall of a horse's hoof

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