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118 terms

Language of Medicine- Chapter 16

STUDY
PLAY
adipocyte
fat cell
albino
person with skin deficient in pigment (melanin)
apocrine sweat gland
one of the large dermal exocrine glands located in the axilla and genital areas. It secretes sweat that, in action with bacteria, is responsible for human body odor.
basal layer
deepest region of the epidermis; it gives rise to all the epidermal cells.
collagen
structural protein found in the skin and connective tissue
cuticle
band of epidermis at the base and sides of the nail plate
dermis
middle layer of the skin
eccrine sweat gland
most numerous swet-producing exocrine gland in the skin
epidermis
outermost layer of skin
epithelium
layer of skin cells forming the outer and inner surfaces of the body
hair follicle
sac within which each hair grows
integumentary system
the skin and its accessory structures such as hair and nails
keratin
hard protein material found in the epidermis, hair, and nails. Keratin means horn and commonly is found in the horns of animals.
lunula
the half-moon-shaped, whitish area at the base of a nail
melanin
major skin pigment. It is 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 eopidermis
stratified
arranged in layers
stratum
a layer (of cells)
stratum corneum
outermost layer of the epidermis, which consists of flattened, keratinized cells
subcutaneous layer
innermost layer of the skin, containing fat tissue
adip/o
fat (root)
albin/o
white (root)
caus/o
burn, burning (root)
cauter/o
heat, burn (root)
cutane/o
skin (root)
anthrac/o
black (as coal) (root)
chlor/o
green (root)
cirrh/o
tawny yellow (root)
cyan/o
blue (root)
eosin/o
rosy (root)
erythr/o
red (root)
jaund/o
yellow (root)
leuk/o
white (root)
lute/o
yellow (root)
melan/o
black (root)
poli/o
gray (root)
xanth/o
yellow (root)
derm/o or dermat/o
skin (root)
diaphor/o
profuse sweating (root)
erythem/o or erythemat/o
redness (root)
hidr/o
sweat (root)
ichthy/o
dry, scaly (fish-like) (root)
kerat/o
hard (root)
lip/o
fat (root)
melan/o
black (root)
myc/o
fungus (fungi include yeasts, molds, and muschrooms)
onych/o
nail (root)
phyt/o
plant (root)
pil/o
hair, hair follicle
py/o
pus (root)
rhytid/o
wrinkle (root)
seb/o
sebum (oily secretion from sebaceous glands)
squam/o
scale-like (root)
steat/o
fat (root)
trich/o
hair (root)
ungu/o
nail (root)
xanth/o
yellow (root)
xer/o
dry (root)
crust
collection of dried serum and cellular debris
cyst
thick-walled, closed sac or pouch containing fluid or semisolid material
erosion
wearing away or loss of epidermis
fissure
groove or crack-like sore
macule
flat lesion measuring less than 1 cm in diameter
nodule
solid, round or oval elevated lesion 1 cm or more in diameter
papule
small (less than 1 cm in diameter), solid elevation of the skin
polyp
growth extending from the surface of mucous membrane
pustule
papule containing pus
ulcer
open sore on the skin or mucous membranes (deeper than an erosion)
vesicle
small collection (papule) of clear fluid (serum); blister
wheal
smooth, edematous (swollen) papule or plaque that is redder or paler than the surrounding skin
alopecia
absence of hair from areas where it normally grows
ecchymosis, ecchymoses
bluish-purplish mark (bruise) on the skin
petechia, petechiae
small, pinpoint hemorrhage
pruritus
itching
urticaria (hives)
acute allergic reaction in which red, round wheals develop on the skin
acne
chronic papular and pustular eruption of the skin with increased production of sebum
burns
injury to tissues caused by heat contact
cellulitis
diffuse, acute infection of the skin marked by local heat, redness, pain, and swelling
eczema
inflammatory skin disease with erythematous, papulovesicular lesions
exanthematous viral diseases
rash (exathem) of the skin due to a viral infection
gangrene
death of tissue associated with loss of blood supply
impetigo
bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted-over lesions
psoriasis
chronic, recurrent dermatosis marked by itchy, scaly, red plaques covered by silvery gray scales
scabies
contagious, parasitic infection of the skin with intense pruritus
scleroderma
chronic progressive disease of the skin and internal organs with hardening aand shrinking of connective tissue
systemic lupus erythematosus (SLE)
chronic autoimmune inflammatory disease of collagen in skin, joints, and internal organs
tinea
infection of the skin caused by a fungus
vitiligo
loss of pigment (depigmentation) in areas of the skin (milk-white patches)
callus
increased growth of cells in the keratin layer of the epidermis caused by pressure or friction
keloid
hypertrophied, thickened scar developing after trauma or surgical incision
keratosis
thickened and rough lesion of the epidermis; associated with aging or skin damage
leukoplakia
white, thickened patches on mucous membrane tissue of the tongue or cheek
nevus, nevi
pigmented lesion of the skin
verruca
epidermal growth (wart) caused by a virus
basal cell carcinoma
malignant tumor of the basal cell layer of the epidermis
squamous cell carcinoma
malignant tumor of the squamous epithelial cells in the epidermis
malignant melanoma
cancerous growth composed of melanocytes
kaposi sarcoma
malignant, vascular, neoplastic growth characterized by cutaneous nodules
bacterial analyses
samples of skin are examined fro presence of microorganisms
fungal tests
scrapings from skin lesions, hair specimens, or nail clippings are sent to a laboratory for culture and microscopic examination
cryosurgery
use of subfreezing temperature via liquid nitrogen application to destroy tissue
curettage
use of a sharp dermal curette to scrape away a skin lesion
electrodesiccation
tissue is destroyed by burning with an electric spark
Mohs micrographic surgery
thin layers of malignant tissue are removed, and each is examined under a microscope to check for adequate extent of the resection
skin biopsy
suspected malignant skin lesions are removed and examined microscopically by a pathologist
skin test
substances are injected intradermally or applied to the skin, and results are observed
ABCDE
assymetry (of shape), border (irregularity), color (variation within one lesion), diameter (greater than 6mm), evolution (change)- characteristics associated with melanoma
Bx
biopsy
Derm
dermatology
DLE
discoid lupus erythematosus
PPD
purified protein derivative- used in skin test for tuberculosis
PUVA
psoralen- ultraviolet A light therapy; treatment for psoriasis and other skin conditions
SLE
systemic lupus erythematosus
SC
subcutaneous