chapter 16 Flashcards
skin
sebaceous glands
produce sebum, an oily secretion, that lubricates the skin & hair
sweat glands
produce sweat, a watery secretion, that secrete into pores to moisten and cool the skin
thermoregulates (function of skin)
interprets messages from the heat center in the brain
adipocyte
fat cell
albino
person with skin deficient in pigment
apocrine sweat gland
one of the large dermal exocrine glands located in the axilla and genital areas
basal layer
deepest region of epidermis, gives rise to all epidermal cells
collagen
structural protein found in skin & connective tissue
cucticle
band of epidermis at the base & sides of the nail plate
dermis
middle layer of skin
eccrine sweat glands
most numerous sweat-producing exocrine gland in skin
epidermis
outermost layer of skin
epithelium
layer of skin cells forming the outer & inner surfaces of the body
hair follicle
sac within each hair grows
integumentary system
the skin & its accessory structures like hair & nails
keratin
hard protein material found in the epidermis, hair & nails
lunula
half-moon-shaped, whitish area of the base of a nail
melanin
skin pigment formed by melanocytes in the epidermis
paronychium
soft tissue surrounding the nail border
pore
tiny opening on the surface of the skin
sebaceous gland
oil-secreting gland in the dermis that is associated with hair follicles
sebum
oily substance secreted by sebaceous glands
squamous epithelium
flat, scale-like cells composing the epidermis
stratified
arranged in layers
stratum (plural: strata)
a layer (of cells)
stratum corneum
outermost layer of the epidermis, consists of flattened, keratinized cells
subcutaneous layer
innermost layer of the skin, containing fat tissue
adip/o
fat
albin/o
white
caus/o
burn, burning
cauter/o
heat, burn
cutane/o & derm/o & dermat/o
skin
diaphor/o
profuse sweating
erythem/o & erythemat/o
redness
hidr/o
sweat
ichthy/o
scaly, dry
kerat/o
hard
leuk/o
white
lip/o
fat
melan/o
black/brown
myc/o
fungus
onych/o
nail
phyt/o
plant
pil/o
hair, hair follicle
py/o
pus
rhytid/o
wrinkle
seb/o
sebum
squam/o
scale-like
steat/o
fat
trich/o
hair
ungu/o
nail
xanth/o
yellow
xer/o
dry
anthrac/o
black (as coal)
chlor/o
green
cirrh/o
tawny yellow
cyan/o
blue
eosin/o
rosy
jaund/o
yellow
lute/o
yellow
poli/o
gray
-algia
pain
-derma
skin
-esis
condition
-lysis
breakdown, separation, destruction, loosening
-ose
full of, pertaining to, sugar
-ous
pertaining to
-plakia
plaque
-plasty
surgical repair
-rrhea
flow, discharge
-osis
condition, usually abnormal
diaphoresis
profuse sweating
seborrhea
excessive secretion from sebaceous glands
paronychia
inflammation & swelling of soft tissue around a nail
dermatophytosis & dermatomycosis (tinea)
fungal infections of hands & feets
causalgia
burning sensation (pain) in the skin
albinism
pigment deficiency
electrocautery
knife used to burn through tissue
erythema
redness of skin
dermabrasion
surgical procedure to scrap away tissue
anhidrosis
abnormal condition of lack of sweat
keratosis
abnormal condition of proliferation of horny, keratinized cells
ichthyosis
abnormal condition of dry, scaly skin
epidermolysis
loosening of the epidermis
xanthoma
yellow tumor (nodule under the skin)
subungual
pertaining to under the nail
hypertrichosis
abnormal condition of excessive hair growth
onychomycosis
abnormal condition of nail fungus
rhytidectomy
removal of wrinkles
pustule
pus-filled skin lesion
wheal
smooth, edematous, reddish papule or plaque skin lesion
cyst
fluid or semisolid thick-walled filled sac skin lesion
vesicle
clear fluid, blister skin lesion
crust (scab)
dried serum & cellular debris skin lesion
macule
discolored, flat skin lesion
erosion
wearing away, loss of the epidermis skin lesion
nodule
solid, elevated mass, more than 1 cm skin lesion
fissure
slit, groove skin lesion
ulcer
open sore on skin or mucous membrane skin lesion
papule
small, solid elevation, pimple, or plaque skin lesion
alopecia
absence of hair where it normally grows
ecchymosis
bluish black mark (macule) caused by hemorrhages into the skin
pruritus
itching
blackhead
comedo/ comedones
petechiae
small, pinpoint hemorrhages
squamous cell carcinoma
malignant neoplasm originating in scale-like cells of epidermis
acne vulgaris
buildup of sebum & keratin in pores of the skin leading to papular & pustular eruptions
tinea
fungal skin infection
scleroderma
chronic disease marked by hardening & shrinking of connective tissue in the skin
bedsore
decubitus ulcer
gangrene
necrosis of skin tissue resulting from ischemia
eczema (atopic dermatitis)
chronic or acute inflammatory skin disease with erythematous, pustular, or papular lesions
malignant melanoma
cancerous tumor composed of melanocytes
systemic lupus erythematosus (SLE)
widespread inflammatory disease of the joints & collagen of the skin with “butterfly” rash on the face
psoriasis
chronic, recurrent dermatosis marked by slivery-gray scales covering red patches on the skin
basal cell carcinoma
malignant neoplasm originating in the basal layer of the epidermis
impetigo
contagious, infectious pyoderma
scabies
contagious parasitic infection with intense pruritus
rubeola
measels
varicella
chickenpox
keloid
thickened excess cicatrix (scar)
leukoplakia
white patches on mucous membrane of tongue or inner cheek
exanthematous
characterized by a rash
actinic keratosis
thickening of epidermis related to sunlight exposure
bullae
large blisters
nevus
hyper pigmented macule or papule of skin (mole)
pilonidal cyst
sac of fluid & hair over sacral region
urticaria
acute allergic reaction in which hives develop
first-degree burn
damage to the epidermis with erythema & hyperesthesia, no blisters
second-degree burn
damage to the epidermis & dermis with blisters, erythema & hyperesthesia
third-degree burn
destruction of both epidermis & dermis and damage to subcutaneous layer
nevi
moles
verrucae
warts
tinea pedis
athlete foot’s
seborrheic dermatitis
dandruff
exanthem
rash
pyoderma
collection of pus in the skin
xerosis
dry skin
leukoderma
white patches of skin (vitiligo)
erythema
redness
callus
increased growth of epidermal horny-layer cells due to excess pressure or friction
what are two skin tests for allergies?
scratch and patch tests
schick test
intradermal test for diphtheria
what are the two skins for tuberculosis?
mantoux & purified protein derivative (PPD)
purulent
pus-filled
punch biopsy
surgical procedure to core out a disk of skin for microscopic analysis
mohs surgery
procedure in which thin layers of a malignant growth are removed & each is examined under the microscope
kaposi sarcoma
a type of skin cancer associated with AIDs & marked by dark blue-purple lesion over the skin
dysplastic nevi
abnormal, premalignant moles
shave biopsy
removal of skin tissue using a cut parallel to the surface of the surrounding skin
cryosurgery
destruction of tissue using intensely cold temperature
dermabrasion
scraping away skin to remove acne scars & fine wrinkles on the skin
liposuction
removal of subcutaneous fat tissue by aspiration
electrodesiccation
destruction of tissue using an electric spark
curettage
use of a sharp, spoon-like instrument to scrape away tissue
acne
papular & pustular eruption of skin with increases production of sebum
burns
injury to tissue due to heat, chemical, electric shock, lightning or radiation
cellulitis
a diffuse acute infection of the skin
exanthematous viral diseases
a rash due to a virus (rubella)
bacterial analyses
pus or filled samples examined to detect microorganisms
fungal tests
scrapings for culture & microscopic examination after treatment with KOH
ABCDE
asymmetry, border, color, diameter, evolution (or change)- characteristics with melanoma
Bx
biopsy
Derm.
dermatology
DLE
discoid lupus erythematosus
PPD
purified protein derivative
PUVA
psoralen-ultraviolet A light therapy
SLE
systemic lupus erythematosus
SC
subcutaneous