Keratosis

n. skin disease which causes horny growths (Pathology)

Keratosis is a growth of keratin on the skin. More specifically, it can refer to: actinic keratosis (also known as solar keratosis)seborrheic keratosiskeratosis pilaris (KP)
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Keratosis /ker·a·to·sis/ pl. kerato´ses any horny growth, such as a wart or callosity.keratot´ic actinic keratosis a sharply outlined verrucous [more]Keratosis - Community and Resources

Noun
1. a skin condition marked by an overgrowth of layers of horny skin
(hypernym) skin disease, disease of the skin, skin disorder, skin problem, skin condition
(hyponym) wart, verruca

A localized overgrowth of the upper layer of skin. Common forms of keratosis include aging (senile keratosis) and sun exposure (actinic keratosis).

A precancerous condition of thick and scaly patches of skin; also called solar or senile keratosis.