1 The outer epithelial layer of skin The epidermis is the nonsensitive, nonvascular layer that covers the dermis 2 The outer layer of overlapping scales on the surface of wool fiber
The upper covering layer, of the body with the underlying dermis is referred to as the skin The upper-most part of the epidermis is called the stratum corneum, composed of dead cells Immediately below that is the area of living epidermal cells It is within this layer that the various pathologic changes of pemphigus take place Superficial separation is seen more in pemphigus foliaceus while slightly deeper separation is seen in pemphigus vulgaris In bullous pemphigoid the separation occurs below the epidermis - between the epidermis and dermis
The outermost layer of cells; the "skin" of a plant, covering the leaves, stem, and roots This tissue often contains specialized cells for defense, gas exchange, or secretion
1 The exterior tissue of leaves, roots and young stems of plants usually comprising a single layer of cells 2 The outer layer of cells of an invertebrate (esp arthropods)