GENERAL HISTOLOGY

Detailed explanation-1: -This layer is made of flat, hard, tightly packed dead keratinocytes that form a waterproof keratin barrier to protect the underlying layers of the epidermis. Dead cells from this layer are constantly shed from the surface of the body.

Detailed explanation-2: -The outermost layer, stratum corneum (SC), consists in corneocytes, that are, dead cells, and intercellular lipids. The primary role of the epidermis is a tissue barrier against pathogen invasion from the external environment.

Detailed explanation-3: -Stratum corneum These are layers of dead cells, reduced to flattened scales, or squames, filled with densely packed keratin.

Detailed explanation-4: -The stratum corneum, which is the outermost epidermal layer, consists of dead cells and is the major barrier to chemical transfer through the skin.