Skin appendages are appendages that are associated with the skin and serve a particular function. In humans some of the more common skin appendages are hairs (sensation, heat loss, filter for breathing, protection), arrector pilli (smooth muscles that pull hairs straight), sebaceous glands (secrete sebum onto hair follicle to oil the hair), sweat glands (can be sweat secreted with strong odour (apocrine) or with a faint odour (eccrine)) and nails (protection).

It is derived from the skin, and is usually adjacent to it.^[1]

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v • d • e Integumentary system (TA A16, GA 10.1062) Skin Epidermis Stratum corneum · Stratum lucidum · Stratum granulosum · Stratum spinosum · Stratum germinativum (basale) Basement membrane zone Basal keratinocyte · Lamina lucida · Lamina densa Dermis Papillary · Reticular Subcutaneous tissue Panniculus adiposus · Panniculus carnosus · Stratum membranosum · Loose connective tissue · Superficial fascia Adnexa Glands Sweat glands: Apocrine · Eccrine Sebaceous Hair Outer root sheath Inner root sheath Shaft Cuticle · Cortex · Medulla · Bulb with matrix cells · Hair papilla Muscle Arrector pili Nail Matrix · Lunula · Nail plate · Eponychium · Paronychium · Hyponychium Other Skin flora integument, SF, LCT navs: anat/physio, noncongen/congen/neoplasia, symptoms+signs/eponymous, proc skin appendage navs: anat, noncongen/congen/neoplasia, symptoms+signs/eponymous, proc