hair shaft - CORRECT ANSWER Projects above the skin's surface.
epidermis - CORRECT ANSWER Thick, keratinized stratified squamous epithelium; avascular; most cells are keratinocytes.
dermis - CORRECT ANSWER Composed of dense irregular connective tissue; vascularized; supplied with receptors; cells- fibroblasts- make fibers and macrophages (- eats bacteria).
hypodermis (subcutaneous layer) - CORRECT ANSWER Composed of adipose tissue; functions as a site for storage, shock absorber, insulates deep tissue, and anchors skin to underlying tissues.
Arrector pili - CORRECT ANSWER Smooth muscle; pulls hair upright when cold or frightened.
Eccrine sweat gland - CORRECT ANSWER Abundant of palms, soles of feet, and forehead; regulates body temp. through pores @ skin surface; produce clear sweat.
apocrine sweat gland - CORRECT ANSWER Found mainly in armpit and genital area; ducts empty into hair follicle; function at puberty; release sweat that contains fatty acids and proteins.
root hair plexus - CORRECT ANSWER Nerve endings that wrap around the hair bulb that sense shaft movement.
cutaneous vascular plexus - CORRECT ANSWER sensory nerve fiber - CORRECT ANSWER