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.
The type of epithelial tissue that is found in the epidermis of the  skin is called stratified squamous epithelium. The dermis consists  of connective tissue.