The epidermis is composed of keratinized, stratified squamous epithelium. It is made of four or five layers of epithelial cells, depending on its location in the body. It also has numerous sensory, and autonomic and sympathetic nerve fibers ensuring. The skin consists of three primary layers, each with distinct structures and functions: Epidermis – The outermost layer, responsible for protection and barrier function. Dermis – The middle layer, rich in blood vessels, nerves, and connective tissue. Hypodermis (Subcutaneous Tissue) – The deepest. fibers of the motor nerves that are distributed to the arrector pilli muscles attached to hair follicles, carry impulses from brain to muscles What are sensory nerve fibers? fibers of the sensory nerves that react to heat, cold, touch, pressure and pain; sends messages to brain What are secretory. The epidermis is a stratified squamous epithelium that contains layers of cells called keratinocytes.
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