Original photographs by Ansel Adams are defined as photographs printed by Ansel Adams from the negatives he made (photographed and developed). Most will range between $4,000 and $70,000.
Keratosis is the term for any condition that is a benign overgrowth  and thickening of the epidermis.
Called also wen. epidermal inclusion cyst a type of epidermal cyst occurring on the head, neck, or trunk, formed by keratinizing squamous epithelium with a granular layer. epithelial cyst. 1. any cyst lined by keratinizing stratified squamous epithelium, found most often in the skin. 2. epidermal cyst.