Definition of Hyperkeratosis

1. Noun. (pathology) Excess keratin formation on the skin surface, as can be seen in a number of dermatologic conditions. ¹

¹ Source:

Definition of Hyperkeratosis

1. [n -TOSES]

Medical Definition of Hyperkeratosis

1. 1. Hypertrophy of the corneous layer of the skin. 2a. Any of various conditions marked by hyperkeratosis. 2b. A disease of cattle marked by thickening and wringling of the hide and formation of papillary outgrowths on the buccal mucous membranes, often accompanied by watery discharge from eyes and nose, diarrhoea, loss of condition and abortion of pregnant animals and now believed to result from ingestion of the chlorinated naphthalene of various lubricating oils. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

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Lexicographical Neighbors of Hyperkeratosis

hyperkalaemic periodic paralysis
hyperkeratosis (current term)
hyperkeratosis congenita
hyperkeratosis eccentrica
hyperkeratosis figurata centrifuga atrophica
hyperkeratosis lenticularis perstans
hyperkeratosis subungualis

Literary usage of Hyperkeratosis

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Principles and Practice of Dermatology by William Allen Pusey (1917)
"It may become hypertrophied— hyperkeratosis; it may undergo atrophy; ... hyperkeratosis.—The term hyperkeratosis is applied to those conditions of the ..."

2. Journal of Cutaneous and Genito-urinary Diseases (1902)
"At the sweat pores the stratum corneum was thicker than in other places, the hyperkeratosis extending deeply into the intra-epidermic portion of the duct. ..."

3. An Introduction to dermatology by Norman Purvis Walker (1905)
"... but for their description other authorities must be consulted. The two of practical importance are hyperkeratosis con- genitalis, and Hypertrichosis. ..."

4. Transactions of the Annual Meeting of the American Laryngological Association by American Laryngological Association (1906)
"THE ETIOLOGY OF hyperkeratosis OF THE TONSILS. BY GEORGE B. WOOD, MI). IN the consideration of such a widely discussed subject as "hyperkeratosis of the ..."

5. A Practical treatise on diseases of the skin, for the use of students and by James Nevins Hyde (1893)
"The disease was readily relieved by applications of lard saponified with caustic potash. [G.] hyperkeratosis Striata et ..."

6. Practical Handbook of the Pathology of the Skin: An Introduction to the by John MacLeod Hendrie MacLeod (1903)
"The connection of this hyperkeratosis with the sweat-orifices has been doubted by subsequent ... (d) Localised hyperkeratosis associated with Excessive ..."

7. Saint Louis Medical and Surgical Journal (1901)
"Lamellar and Nodular hyperkeratosis of 1'alms. predispose to ulceration, we find that there is merely pain, and" that there is no evidence of any irritation ..."

8. Diseases of the Digestive Organs: With Special Reference to Their Diagnosis by Charles Dettie Aaron (1921)
"... hyperkeratosis.—This affection is often located on the hyperemic lingual tonsil and is an abnormal process of cornification, forming in the crypts of ..."

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