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20 Cards in this Set

  • Front
  • Back
functions of the skin
*covers the body
*protects the body
*sensory receptors
*excretes sweat, urea, lactic acid
*produces vit d
regulation of body temp
regulation of blood pressure
stops fluid loss
epidermis layers*
stratum corneum
lucidum
granulosum
spinosum
basale
dermis contains*
glands (sweat, wax)
hair follicles
lymph vessels
nerve/blood supply
diff btw apocrine and mesocrine sweat glands
apocrine - close to hair (armpit)
mesocrine - other areas, like palms
properties of hair*
shaft above surface
root penetrates dermis
cuticle & follicle in dermis
color is genetically determined
gray hair - replacement of melanin by air
color of skin is determined by*
melanin, carotene, hemoglobin
heat is produced by
muscles, liver, digestive organs
heat loss by
thru skin, regulated
thru urine & expiration
hypothermia
rectal temp below 35ºC/95ºF
death below 20ºC
heat loss controlled by
nervous system, vasomotor center
nails
epidermal cells converted to hard keratin plates
nail bed - highly vascular
lunula - site of new growth
cuticle - stratum corneum
sebaceous glands
Secrete sebum
Keeps hair soft
provides water proofing for the skin
is anti-microbial
increases in puberty and decreases with age
sensation types
touch, pressure, vibration, tickle, heat, cold & pain
psoriasis
chronic, recurent disease of keratin synthesis
dry, scaly, silvery, shiny, maybe bleeding
skin viral conditions
herpes - cold sores
hpv - warts
bacterial skin infections
erysipalis
boils
impetigo
genetic skin conditions
eczema
psoriasis
vitiligo
acne rosacea
chronic inflammatory disorder
lichen planus
itchy purple papules, flat, white on top, slight depression on skin and mucosa
unknown cause
tumor warning signs
sore throat that doesn't heal
change in shape, size, color, texture of lesion
new moles or odd shaped lesions
lesion that bleeds, oozes fluid or itches