Hyperkeratosis definitions

Hyperkeratosis

Hyperkeratosis (from Ancient Greek: ὑπέρ (hyper, `over”); keratos - keratin) is thickening of the stratum corneum (the outermost layer of the epidermis), often associated with the presence of an abnormal quantity of keratin, and also usually accompanied by an increase in the granular layer. As the corneum layer normally varies greatly in .....
Found on http://en.wikipedia.org/wiki/Hyperkeratosis

hyperkeratosis

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 .....
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio40.html

hyperkeratosis

in cattle, a disease characterized by inflammation and thickening of the horny covering of the epidermis, the outermost layer of the skin. Other ...
Found on http://www.britannica.com/eb/a-z/h/91

hyperkeratosis

A condition marked by thickening of the outer layer of the skin, which is made of keratin (a tough, protective protein). It can result from normal use (corns, calluses), chronic inflammation (eczema), or genetic disorders (X-linked ichthyosis, ichthyosis vulgaris).
Found on http://www.cancer.gov/dictionary?expand=H

hyperkeratosis

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 abor...
Found on http://www.encyclo.co.uk/local/20973