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[hahy-per-ker-uh-toh-sis] /ˌhaɪ pərˌkɛr əˈtoʊ sɪs/


Also called x-disease. Veterinary Pathology. a disease of cattle resulting from their physical contact with or eating of objects or food contaminated by wood preservatives or machinery lubricants containing highly chlorinated naphthalenes, characterized by thickening and hardening of the skin, abnormal secretion of tears and saliva, and diarrhea.
(pathol) overgrowth and thickening of the outer layer of the skin

hyperkeratosis hy·per·ker·a·to·sis (hī’pər-kěr’ə-tō’sĭs)
n. pl. hy·per·ker·a·to·ses (-sēz)
Hypertrophy of the cornea or the horny layer of the skin. Also called hyperkeratinization.
hy’per·ker’a·tot’ic (-tŏt’ĭk) adj.


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  • Hyperketonuria

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  • Hyperkeratosis lenticularis perstans

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