Studied by 1 personphysiology is most accuratley described as the study of?
functions of hair,skin, and nails
the largest organ of the body is
skin
appendages of the skin include
hair, nails, sweat and oil glands
what removes and depletes lipids
free radical damage
what does the skin protect against?
outside elemants and microorganisims
the barrier function of the skin includes
acid mantle
what is the average ph of the acid mantle
5.5
what does TEWL mean
transepidermal waterloss
the intercellular cement between epidermal cells is made up of?
lipids
the immune cells that mature in the thymus gland and attackvirus infected cells, foreigen cells and cancer cells are the
Langerhans cells
sensory nerve fibers are most abundant in the
finger tips
average body temperature is
98.6
which glands excrete perspiration
sudoriferous glands
the sebatious glands
excrete sebum
some states define the estheticians scope of practice as not beyond the DEJ which means that estheticiansare to treat
the epidermis only
about 98% of the epidermis is
keratinocytes
which description most accurately describes the stratum lucidium
clear layer of cells
what is the average adult skin cell turn over rate
28 days
desquamation is the
shedding of keratinocytes from the skin
squamos cells
flat, scaley cells
which layer of the epidermis is located just below the stratum corneum
stratum lucidium
on which of these parts of the body is skin the thickest
in the palms of the hands
keratin and intercellular lipids are formed in the
stranum spinisum
which layer of the skin contains melanocytes
stranium granulosum
mitosis occurs in which layer of the skin
stranum germinativim
which cells in the basal layer produce pigment granuels
melanocytes
the thickest layer of the skin is called
dermis
the 2 layers of the dermis is
the palpillary and reticular
what is the technical term for nail
onyx
how long does it take for finger nail to fully grow out
6-8 months
strech marks are caused by
damaged elastin fibers
the primary cause of wrinkles is the damae of loss of
elastin
subcutis or ________ tissue is foumd below the reticular layer in the dermis
adipose
identify the answer that is not a layer of epidermis
stramium epithilium
if you have folicitus you have
infilamation of the follicle
which fibers stimulate the arrector phili
motor nerves
diffrance in genetic skin color are due to
amount of melanin activated in the skin
products that surpress mrlanin production by interrupting bio chemical processes are reffered to as
tyrosinase inhibitors
apocrine glands are most active
during pysical activiys
what do cells need in order to survive
nourisment, ability to function, snd protection
what stimulates cell turn over
alpha hydroxy acids
identify the greatest againg effect on skin
uv rays
what is known as the burning rays because they burn the skin, age the skin, and cause cancer
uva rays
approximatly what percentace of agining is caused by sun exposure
80_85%
as estrogen depletes the skin begins to ____?
lose its tone
what is the main function of secratory nerve fibers
regulate excretion from sweat glands and control sebum output
is made up of neurons that form networks of pathways for conducting information throughout the body?
nerves
nerve fibers send messages to the _____ system and brain to react to heat and cold
central nervous system
what are appocrine glands not considered true sweat glands by some medical professionals?
their openings connect to oil glands instead of pore openings
what system controls the excretion of sweat
nervous system
the _____ glands secrete oil and the ____ glands secrete oil
sebaceous: sudoriferous
the loss of excess fluids may lead to what in the body
dehydration
what are cordlike bundles of fibers made up of neurons through which sensory stimuli pass
nerves
where are the largest sebaceous glands found
in the face
free radicals take the electrons from compounds in the body. what is not considered and anioxidant?
collogen
glycation an intrinsic part of the aging process, is caused by what
rise in blood sugar
what can an esthetician suggest to a client experiencing menopause to balance their estrogen levels
hormone replacement therapy
Note
Flashcard