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Skin Chapter 15
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64
Cosmetology
Professional
01/31/2013

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Term
Skin
Definition
consists of 3000 sq inches
only weighs about 6lbs
its layers make up the integumentary system
Term
1 inch of skin consists of
Definition
650 sweat glands
65 hair follicles
19 yeards of capillaries
78 yeards of nerves and cells
Term
seven funtions of the skin
Definition
sensation(feeling)
secretion/hydration (secretes sebum)and protective barrier
absorption(water and oxygen)
regulation (maintains body temp)
protection (Sheilds from enviroment)
excertion (eliminates wastes)
respiration (takes oxygen in through the pores and releases carbon dioxide)
Term
Layers of the skin
Definition
Epidermis
dermis
subcutaneous/hypodermis
Term
Epidermas
Definition
5 Layers
stratum germinativium (bottom)
Stratum Spinsoum
Stratum granulosum
Stratum lucidum
stratum corneum "horny"
Term
Stratum Germinativium
Definition
cell divison occurs here. basal cells constatnly divide and produce to replace cells on top that have been shed. melanocytes are found her; amount of melanin present determines skins color
Term
Stratum Spinosum
Definition
has cells that contain melanin to distribute to other cells
can become irregulary shaped and appear to have spines
Term
Stratum Granulosum
Definition
cells are more reglary shaped
in the process of replacing cells that are shed from the stratum corneum
Term
Stratum Lucidum
Definition
on the palms of the hand and and sole of the feet
found where there are no hair follicles
Term
Stratum Corneum
Definition
top layer
toughest layer composed of keratinized cells constantly being replaced
protects skin moisture
Term
Langerhan Cells
Definition
protects from radiation
Term
Dermis
Definition
composed of connective tissues containing collagen protein and elastin fibers
Term
aging process
Definition
90 percent is de to enivironmental influences
Term
sudoriferos Glands
Definition
Controlled by nervous system
coiled base w/ tuble-like opeining on skins surface
has 3 main functions: control and regulate body temp, excertion of wastes and helps maintain pH level
Term
sebaceous Glands (oil glands)
Definition
sac like glands found attached to hair follicle
secretes sebum which mixes with seat crating acide mantle
sebum is secreted onto skin due to papillary canal
Term
subutaneous (hypdermis)
Definition
protective cusion for skin
composed of fatty and loose tissue
contains large blood vessles that transports nousiment to skin cells and nerves
hair follicel begins here
Term
skin pigment
Definition
melanin is distrib through epidermal cells and for barrier against uvrays
Term
3 factors that determine skin color
Definition
melanin cartene(pigment) bood from capillaries
Light and dark skin dont differ in mumber of melancytes they contain a differneces in melanin produced
Term
Sympotoms and Signs of disease and disorder
Definition
2 classifications subject (feel) and objective (see)
Term
etiology
Definition
study of the cause of diseases
Term
pathology
Definition
study of diseseas
Term
prognosis
Definition
medical opinion of the future condition of an illness
Term
lesion
Definition
region in an organ or tissue that has suffered damage
Term
macules
Definition
discoloration of skins surface (freckles)
Term
papules
Definition
hardened re elevation of skin where no fluid is present (pimple)
Term
vesicles
Definition
fluid filled elevations caused by localized accumulation of fluids or blood below epidermas (herpes simplex)
NO SERVICE
Term
Bulla
Definition
lesion, like vessicles, but bigger this happens when a second degree burn occurs
Term
pustules
Definition
small elevations of the skin that contain puss (pimple with puss)
Term
wheals
Definition
solid formation above skin caused by a bug bite (HIVES)
Term
Tumors
Definition
solid masses in skin (nodule)
Term
Scales
Definition
shedding, dead cells of uppermost level of epidermis (psoriasis)
Term
crusts
Definition
dried masses: remains of ooze (SCab)
Term
excoriations
Definition
mechanical abraions/injurites to the epidermis (scratches)
Term
fissures
Definition
crack in skin (chapped lips)
Term
pigmentation abnormalities
Definition
too much color or too little color in a particlare area of the skin
Term
melanoderma
Definition
terms used to describe hyper pigmentation caused by over activity of melancytes in the epidermis
Term
chloasma
Definition
gopo of macules occring in the one place (liver spots)
Term
naevus or nevus
Definition
birthmark or congenital mole
Term
leukoderma
Definition
hypopigmentation (lack of pigment) of the skin caused by decreased in activty of melancytes
Term
albinism
Definition
congential failure of teh skin to produce melanin pigment
Term
vitiligo
Definition
oval or irreglar patches of whitte skin that dont have normal pigment
Term
comedomes (black heads)
Definition
masses of sebum trapped in hair follicle
Term
milia (white heads)
Definition
accumulation of hardened sebum beneath the skin
Term
acne
Definition
chronic, inflammarty disorder of sebaceos gland
Term
rosacea
Definition
chronic inflammatory congestion of cheeks and nose, observed as redness, w/papules and sometimes pustles NO SERVICE
Term
seborrhea
Definition
excessive secretion of sebaceous glands
Term
steatoma
Definition
sebaceous buyst or we, is a tumber of teh sebaceous gland filled with sebum (appears on scalp neck or back)
Term
furuncles
Definition
boils appear in dermis and teh epidermis and caused by an acte baterial infection localized infections fo hair follicles (caused by staph) NO SERVICE
Term
Caruncles
Definition
cluseter of furuncles caused by acute bacterial infection of several adjoing hair follicle.
drain through mulitple opeings on the skins surface (caused by staph)
Term
Bromidrosis
Definition
foul smelling perspirtion caused by yeast and and bacteria of the skin
Term
anhidrosis
Definition
lack of prespiration caused by fever or disease adn requires medical attention
Term
hyperhidrosis
Definition
over production of perspiration caused by excessivve heat or general body weakness
Term
miliavia raubra
Definition
acute erruption of small red vesicles w burning and itching of teh skin caused by excessive heat no service
Term
dermatitis
Definition
inflammatory disorder of teh skin NO SERVICE
Term
eczema
Definition
dry or moist lesions with inflammatoion of the skin NO SERVICE
Term
impetigo
Definition
contagious bacterial infection that produces honey yellow crusted lesion usually on the face NOSERVICE
Term
asteatosis
Definition
dry scaly skin with reduced sebum production
Term
keratinization
Definition
conversion of living cells into dead protein
Term
integumentary (in-teg-u-men-tary)
Definition
the skin and its layers
Term
dermatology
Definition
the study of the skin and it strutucture and fucions and disesae and treatment
Term
sebuem
Definition
complex secretion containg high percententage of fatty oily substances
Term
melinan
Definition
tans skin to protect it fromburing rays fo the sun
Term
pH of the Acid mantle
Definition
average is 4.5 5.5
Term
corneobytes
Definition
new cells found in teh stratum cornieum
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