INTEGUMENTARY SYSTEM LATEST UPDATE GRADED A

INTEGUMENTARY SYSTEM LATEST UPDATE GRADED A Epidermis outermost layer of skin Dermis middle and thickest layer of skin Hypodermis (subcutaneous layer) Deep to the dermis; not technically part of the skin; made of adipose tissue; helps insulate; most of your fat is found here. Keratin A fiber protein that is the principal component of hair, skin, and nails is: accessory skin structures hair, nails, sebaceous glands, sweat glands Melanin A pigment that gives the skin its color apocrine glands Sweat glands in the pubic and underarm areas that secrete thicker sweat, that produce odor when come in contact with bacteria on the skin eccrine glands (merocrine) glands that produce sweat; found over most of the body sebaceous glands oil glands in the skin Avascular without blood vessels Functions of the skin include: regulating body temperature; Vitamin D production and protection dermal papillae Found in the upper layers of the dermis, they create your fingerprint pattern stratum basale deepest epidermal layer made of a single row of cells that undergo rapid cell division stratum corneum the most superficial layer of the epidermis consisting of dead cells Melanocytes cells that produce melanin hair follicle The tube-like depression or pocket as an extension of the stratum basale that contains the hair root hair bulb The rounded, club-shaped part of hair located at the end of the hair root Shaft of hair part of hair projecting from the skin arrector pili tiny muscle fibers attached to the hair follicles that cause the hair to stand erect first degree burn Superficial burns through only the epidermis. second degree burn A burn marked by pain, blistering, and superficial destruction of dermis with edema and hyperemia of the tissues beneath the burn. third degree burn Severe burn characterized by destruction of the skin through the depth of the dermis and possibly into underlying tissues, loss of fluid, and sometimes shock. rules of nines a method used in calculating body surface area affected by burns vasoconstriction narrowing of blood vessels to prevent blood flow vasodilation widening of the blood vessels that allows for increased blood flow Meissner's corpuscles touch receptors Ruffini endings respond to stretch Pacinian corpuscles deep pressure and vibration inflammation a localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful, especially as a reaction to injury or infection. Vitamin D and Skin When exposed to UV light Vitamin D can be produced. It is important for bone building and with our immune system. basal cell carcinoma Most common and least severe type of skin cancer; often characterized by light or pearly nodules. Melanoma The most serious form of skin cancer; black tumors Viral Skin Infections chicken pox, shingles, measles, warts, herpes acne inflammatory disease of the skin involving the sebaceous glands and hair follicles bed sores (decubitus ulcers) ulcers that occur on areas of the skin that are under pressure from lying in bed, sitting in wheelchairs, wearing a cast, or being immobile for a long period of time. squamous cell carcinoma Type of skin cancer more serious than basal cell carcinoma; often characterized by scaly red papules or nodules. Ringworm A highly contagious, fungal infection of the skin or scalp. eczema (atopic dermatitis) inflammatory skin disease