Architect: E. L. Masqueray - Cheif of Design for the Louisiana Purchase Exposition Company, St. Louis Builder: Caldwell & Drake, St. Louis. Considered the largest building on the Fairgrounds, the Palace of Agriculture was a testament to former President Thomas Jeffersonâs dream of an agrarian society. The building, constructed at a cost of $525,491, stretched over twenty-three acres and exhibited agriculture products from fifteen countries and forty-two states.
Keratinocytes are the most important of the epidermal cells because? they produce a fibrous protein that gives the skin its protective  properties.n epidermal cell is a cell that is part of the outer layer of an organism. For example, in humans, skin cells are epidermal. Leaves on plants have epidermal layers on the to â¦ p and bottom of the leaf.
The epidermis: a thin outer portion, that is the keratinised stratified squamous epithelium of skin. The epidermis is important for the protective function of skin. The basal layers of this epithelium are folded to form dermal papillae. Thin skin contains four types of cellular layers, and thick skin contains five.t contains nerves, the blood supply, fibroblasts, etc, as well as sweat glands, which open out onto the surface of the skin, and in some regions, hair. The apical layers of the dermis are folded, to form dermal papillae, which are particularly prominent in thick skin.