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integumentry system (functions (stores fatty tissue for energysuply,…
integumentry system
functions
stores fatty tissue for energysuply
produces vitamin d
balances fluid levels
helps regulate body temp
protection from pathogens
melanocytes
located deep in the epidermis and responsible for skin color
melanocytes produce melanin
melanin is patches on the skin forming freckles
all people have the same number of melanocytes
burns
first
red and pain no bliter and no scraing
second
scarring is common
red, pain and blister
third
no pain since receptors are damaged. leathery feel. variety of colrs
forth
penetrate to the bone and cause bone damage
destroy tendons and muscle
skin accessory components
nails
glands
hair
albinism
is when there is very little pigment in their skin, eyes andhair
dt inherited gene that does not allow body cells to produce usual amounts of melanin
many vision problems and at risk of cancer
herpes
life long viral infection that produces clusters of small fluid filled sacs
signs and symptms
periods of remisson and exacerbation
stress and other diseasescan temp. decrease in imunity can all lead to system flare.
largest organ
weighs 20 lbs
covering 20.83 square feet of an adult
three layers
dermis
below the epidermis. thicker layer
contains
collogenous or elastic fibers
involuntary muscles
nerve endings
capilaries
lymph vessels
hair follicles
sweat glands
oil glnds
epidermis
cells are always shedding
stratum germinatium
outmost layer of dead cells called stratum corneum
no blood vessels
500 million shed off every day.
layer of sin we can see on the outside. made up of of 5 or 6 smaller
skin color and disease
yellow skin
liver disease. body can not break down bilirubin
yelow color in eyes
bronze
adrenal gland disease
malfunctioning adrenal glands prodice excessive melanin
bruised skin coud indicate blood or circulatory problems
bacterial infections
cellulitis
lyme disease
caused by ticks
hpv
causes warts
fungal infections
tinea
tinea pedis
tinea cruris
tinea corpous
tinea unguium
most exposed system
carotene is another form of skin pigment that gives yellowish hue to skin