Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Hypertrophy of the cornea or the horny layer of the skin.
from The Century Dictionary.
- noun Hypertrophy of the horny layer of the epidermis.
- noun Same as
conical cornea .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun pathology Excess
keratin formation on the skin surface, as can be seen in a number of dermatologic conditions.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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A clear indication of low vitamin A and omega-3 fat deficiency were “bumps” on the back of his arms called hyperkeratosis pilaris.6 His low level of vitamin D led to lowered immunity.7 Deficiencies of other vitamins such as vitamin E and beta carotene indicated he ate a diet high in junk food and low in vegetables and whole grains.
The UltraMind Solution M.D. Mark Hyman 2009
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Skin roughening ( "hyperkeratosis") and concomitant hair loss was maximal in regions subjected to mechanical friction, such as abdomen fig. 3c), changes on the dorsal skin were mostly limited to scaling (fig. S2).
PLoS ONE Alerts: New Articles Malgorzata Romanowska et al. 2010
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A callus is a form of hyperkeratosis, or thickened skin, that creates a hard surface.
Simple Skin Beauty Ellen Marmur 2009
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A callus is a form of hyperkeratosis, or thickened skin, that creates a hard surface.
Simple Skin Beauty Ellen Marmur 2009
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A callus is a form of hyperkeratosis, or thickened skin, that creates a hard surface.
Simple Skin Beauty Ellen Marmur 2009
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The skin over the feet may show marked hyperkeratosis.
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Pathologically the first change noted in the epidermis is thought to be an acanthosis, followed by epithelial atrophy, and a hyperkeratosis, intercellular edema, and colloid degeneration of the prickle cells.
Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Henry Weightman Stelwagon 1886
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H/E and Toluidin blue staining shows acanthosis, hyperkeratosis, spongiosis, epidermoid cysts and massive infiltration of mast cells in the dermis of the N1N2K5 derived graft.
PLoS ONE Alerts: New Articles Alexis Dumortier et al. 2010
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Moreover, both loss and gain of Notch function cause hyperkeratosis as a consequence of hair cycle disturbance
PLoS ONE Alerts: New Articles Alexis Dumortier et al. 2010
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Both N1N2K5 and K14-TSLP mice show acanthosis, hyperkeratosis as well as dermal infiltration by mast cells [Scale bars: 50 µm].
PLoS ONE Alerts: New Articles Alexis Dumortier et al. 2010
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