skin info
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| two parts of epidermis | germinativum and stratrum corneum
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| makes new skin cells to replace old ones | germinativum (stratum basale)
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| outermost/top layer that sheds constantly | stratrum corneum
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| tough, leathery fibrous connective tissue, only part vascularized | dermis (corium/true skin)
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| superficial fascia; mostly fat (insulates and absorbs shock) anchors skin to underlying structures | subcutaneous (hypodermis)
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| barrier to suns UV rays, invasions of pathogens, holds moisture in and prevents deeper tissue dryness | protection
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| sensory responds to pain, pressure, temp (hot/cold) & touch | sensory protection
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| blood vessels help retain or lose heat | body temperature regulation
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| (get larger) excess heat escapes through skin | dialate
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| (get smaller) heat is retained in body | constrict
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| help cool body through evaporation of perspiration | sudorferous glands
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| tissues for temporary storage of fat, glucose, water, vitamins, and salts | storage
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| located in subcutaneous fascia is source of energy | adipose tissue
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| certain substances can be absorbed through skin | absorbtion
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| skin medications | transdermals
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| skin helps body eliminate salt, waste, excess water, and heat w/ perspiration | excretion
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| vitamin D that matures in liver | production
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| needs uv rays to form | vitamin D
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| keratinized/dead epidermal cells that grow under the lunula(white protion) of nail bed | nail
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| made of keratin | hair
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| permanent hair lose | alopecia
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| hair grows from hollow tube called | follicle
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| protects from the skin | hair shaft
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| embedded in the skin; shape determines whether hair is straight or curly | root
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| melanin | brown/black
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| carotene | red/yellow
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| sweat glands; purpose is temperature regulation | sudoriferous glands
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| type of apocrine gland, located under the ear, secrets ear wax(cerumen) | ceruminous glands
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| oil glands; located all over the body except for palms and soles of feet; secrets sebum, oily substances; function:keeps hair and skin from becoming dry and brittle, slows water loss during dry weather | subaceous glands
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| skin color | pigmentation
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| absence of color pigment | albino
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| reddish color caused by burns, congestion of blood vessels | erythema
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| yellow discoloration caused by bile in blood as a result of liver or gallbladder ds | jaundice
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| bluish skin caused by insufficient oxygen | cyanosis
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| flat spots;freckles | macules
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| firm raised;pimples | papules
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| blisters;fluid filled; chicken pox | vesicles
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| pus filled;acne | pustules
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| dried pus/blood;scabs | crusts
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| itchy elevated w/ irregular shapes;insect bites/hives | wheals
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| deep loss of skin surface | ulcer
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| inflammation of the sebaceous glands, occurs in adolescence | acne culgaris
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| contagious fungal infection; itchy blisters crack and sores on feet, tx:antifungals | athletes foot
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| grows slowly, basal cells in epidermis, pink-yellow lesions | basal cell carcinoma
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| cancer that spreads quickly | squamous cell carcinoma
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| most danger skin cancer, forms black sores | melanoma
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| causes:tanning bed, irritating chemicals, and radiation treatment:surgical removal, radiation, chemotherapy | skin cancer
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| inflammation of skin, caused by allergic reactions, poison ivy. sx: dry skin, erythema, itching, edema. tx:anti-inflammatory ointments | dermatitis
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| noncontagious inflammatory ds caused by an allergic reaction, diet, cosmetics, soaps, and medications. sx: dryness, erythema, edema. tx: removing irriatant, corticosteroids | eczema
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| highly contagious skin infection caused by strep and staph organisms. sx: erythema, ozzing vesicles, pustles. tx: wash w/ soap and water, antibiotics | impetigo
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| chronic, noncontagious skin ds w/ periods of exacerbation(sx present) and remission(sx decrease) hereditary. sx: thick, red areas covered w/ white-silver scales. tx: coal/tar, cortisone cream, ultraviolet light, scale removal | psoriasis
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| highly contagious fungal infections. sx: formation of a flat or raised circular area w/ clear central area surrounded by itchy, scaly crusty ring. tx: antifungals | ringworm
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| wart caused by viral infection. sx: rough, hard, elevated, rounded, surface forms on the skin. tx: electricity, liquid nitrogen, acid, chemicals, laser | verracae
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Created by:
emilyford
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