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156 Cards in this Set

  • Front
  • Back
epithelium
cells covering external and internal surfaces of the body
epidermis
thin outer layer of skin
squamous cell layer
flat, scalelike epithelial cells comprising the outermost epidermis
basal layer
deepest layer of epidermis
melanocyte
cell in basal layer that gives color to the skin
melanin
dark brown to black pigment cantained in melanocytes
dermis
dense, fibrous connective tissue layer of the skin
sebaceous glands
oil glands in the skin
sebum
oily substance secreted by sebaceous glands
sudoriferous glands
sweat glands
subcutaneous layer
connective and adipose tissue layer just under the dermis
collagen
protein substance in skin and connective tissue
hair
outgrowth fo the skin composed of keratin
nail
outgrowth of skin at end of fingers and toes, composed of keratin
keratin
hair protein material found in the epidermis, hair, and nails
lesion
area of pathologically altered tissue
primary lesions
lesions arising from previously normal skin
macule
a flat discolored spot on the skin up to 1 cm across
patch
a flat discolored area on the skin larger than 1 cm
papule
a solid mass of skin up to .5 cm in diameter
plaque
a solid mass greater than 1 cm in diameter, limited to the surface of the skin
nodule
a solid mass great than 1 cm, extending deeper into the dpidermis
tumor
solid mass lager than 1-2 cm
wheal
an area of localized skin edema (swelling)
vesicle
little bladder; an elevated, fluid filled sac (blister) within or under the epidermis up to .5 cm in diameter
bulla
a blister lafter than .5 cm
pustule
a pus filled sac (pimple)
secondary lesions
lesions that result in the changes in primary lesions
erosion
gnawed awy; loss of superficial epidermis leaving an area of moisture but no bleeding
ulcer
an open sore on the skin or mucous membrane that can bleed and scar; sometimes accompanied by infection
excoriation
a scratch mark
fissure
a linear crack in the skin
scale
a think flake of exfoliated epidermis (dandruff)
crust
dried residue of serum, pus, or blood on skin
cicatrix of the skin
mark left by the healing of a sore or wound, showing the replacement of destroyed tissue by fibrous tissue (scar)
keloid
an abnormal overgrowth of scar tissue that is thick and irregular
vascular lesions
lesions of a blood vessel
cherry angioma
a small round bright red blood vessel tumor on the skin, orten on the trunk of the elderly
telangiectasia
a tiny red blood vessel lesion formed by the dialtion of a group of blood vessels radiating from a central arteriold, most commonly on the face neck and chest
spider angioma
telangiectasia
purpuric lesions
purpura; lesions resulting from hemorrhages into the skin
petechia
spot; reddish brown minutes hemorrhagic spots on the skin that indicate a bleeding tendency; a small purpura
ecchymosis
bruise
epidermal tumors
skin tumors arising from epidermis
nevus
birthmark; mole
dysplastic nevus
mole with precancerous changes
verruca
epidermal tumor caused by a papilloma virus; wart
alopecia
fox mange; baldness; deficiency of hair
comedo
blackhead
eruption
sppearance of a skin lesion
erythema
redness of skin
pruritus
severe itching
rash
a general term for skin eruption
skin pigmentation
skin color due to presence of melanin
depigmentation
loss of melanin pigment in skin
hypopigmentation
areas of skin lacking color due to deficient amounts of melanin
hyperpigmentation
darkened areas of skin caused by excessive amounts of melanin
urticaria
hives
xeroderma
dry skin
acne
inflammation of sebaceous glands and hair follicles of skin
albinism
hereditary condition characterized by a partial or total lack of melanin pigment
burn
injury to body issue caused by heat, chemicals, electricity, radiation, or gases
first degree burn
burn involving only epidermis
second degree burn
burn involving epidermis and dermis; blistering
third degree burn
burn involving all layers of skins
dermatitis
inflammation of skin
dermatosis
any disorder of the skin
exanthermatous
eruption of the skin caused by a viral disease
rubella
reddish; german measles
rubeola
reddish; 14 day measles
varicella
a tiny spot; chicken pox
eczema
to boil ou; swollen papules and vesicles that crust and scale with sensations of itching and burning
furuncle
boil; a painful nodule formed in the skin by inflammation originating in a hair follicle caused by staphylococcosis
carbuncle
skin infection sonsisting of clusters of furuncles
abscess
localized collection of pus in a cavity fromed by the inflammation of surrounding tissues whihc helas when drained or excised
gangrene
an eating sore; death of tissue associated wtih a loss of blood supply
herpes simplex virus type 1
transient viral vesicles that infect the facial area esp the mouth and nose
herpes simplex virus type 2
sexually transmitted ulcerlike lesioins of the genital and anorectal skin and mucosa; after inital infection the virus lies dormant in the nerve cell root and may recur at times of stress
herpes zoster
a viral disease affecting the peripheral nerves char by painful blisters that spread over the skin following affected nerves usu unilateral; aka shingles
impetigo
highly contagious bacterial skin inflam marked by pustules that rupture and become crusted most often around mouth and nose
keratoses
thickened areas of epidermis
actinic keratoses
localized thickening of the skin caused by excessive exposure to sunlight a known precursor to cancer
solar keratoses
localized thickening of the skin caused by excessive exposure to sunlight a known precursor to cancer
seborrheic keratoses
benign wartlike tumors
lupus
a chronic autoimmune disease char by inflam of various parts of body
cutaneous lupus
limited to skin; evidenced by a rash esp on face neck and scalp
systemic lupus
a more severe form of lupus involving skin joints and vital organs
malignant cutaneous neoplasm
skin cancer
squamous cell carcinoma
malignant tumor of squamous epithelium
basal cell carcinoma
malignant tumor of the basal layer of the epidermis (most common type of skin cancer)
malignant melanoma
a malignant tumor composed of melanocytes
kaposis sarcoma
a malignant tumor on fhte walls of blood vessels appearing as painless dark bluish purple plaques on the skin; often spreads to lymphnodes and internal organs
onychia
inflam of fingernail or toenail
paronychia
inflam of nail fold
pediculosis
infestation with lice tha cause itching and dermaitis
pediculosis capitis
head lice
pediulosis pubis
crabs
psoriasis
itchin; a chronic recurrent skin disease marked by silver gray scales covering red patches on skin; reults from overproduction and thickening of skin cells commonly at elbows knees genitals arms legs scalp and nails
scabies
contagious disease caused by a parasite that invades the skin causing an intense itch most often at articulations between fingers toes or elbow
seborrhea
skin cond marked by the hypersecretion of sebum from the sebaceous glands
tinea
group of fungal skin diseases identified by the body part affected incl tinea corpus (ringworm) and tinea pedis (athlete's foot)
vitiligo
condition caused by the destruction of melanin that results in the apperance of white patches on the skin
biopsy (Bx)
removal of a small piece of tissue for microscopic pathologic examination
excisional Bx
removal of an entire lesion
incisional Bx
removal of a selected portion of a lesion
shave Bx
technique using a surgical blade to "shave" tissue from epidermis and upper dermis
culture and sensitivity (C&S)
tech of isolating and growing colonies of microorganisms to identify a pathogen and to determine which drugs might be effective for combating it
frozen section (FS)
surgical technique involving cutting a thin piece of tissue from a frozen specimen for immediate pathologic examination
skin tests
methods for determining the reaction of the body to a given substance by applying it to or injecting it into the skin; commonly used in allergy tests
scratch test
test in which a substance is applied to skin thru a scratch
patch test
test in which a substance is applied topically to the skin on a small piece of blotting paper or wet cloth
chemosurgery (chemical peel)
tech for restoring wrinkled scarred or blemished skin by applying an acid solution to "peel" away top layers of skin
cryosurgery
destruction of tissue by freezing wtih application of an extremely cold chemical (liquid nitrogen)
dermabrasion
surgical removal of epidermis frozen by aerosol sray using wire brushes and emery papers to remove scars tattoos and wrinkles
debridement
removal of dead tissue from a wound or burn site to promote healing and to prevent infection
curettage
cleaning; scraping a wound using a spoonlike cutting inst called a curette; used for debridement
electrosurgical procedures
use of electric currents to destroy tissue; strength of the current and method of application may vary
electrocautery
use of an inst heated by electric current to coagulate bleeding areas by burning the tissue
electrodesiccation
use of high freq currents to destroy tissue by drying it; the active electrode makes direct contact with the skin lesion
fulguration
to lighten; use of long high freq electric sparks to destroy tissue; the active electrode does not touch skin
incision and drainage (I&D)
incision and drainage of an ifected skin lesion
laser surgery
surgery using a laser in various dermatological procedures to removve lesions scars tattoos
laser
light amplification by stimulated emission of radiation; produces a small exremely intense beam that is precise in depth and diameter; applied to body tissue to destroy lesions or to dissect
mohs surgery
tech used to excise tumors of skin by removing fresh tissue layer by layer until a tumor free plane is reached
laser surgery
surgery using a laser in various dermatological procedures to removve lesions scars tattoos
skin grafting
transfer of skin from one site to another to replace skin lost thru injury
laser
light amplification by stimulated emission of radiation; produces a small exremely intense beam that is precise in depth and diameter; applied to body tissue to destroy lesions or to dissect
autograft
graft transfer from the same person
mohs surgery
tech used to excise tumors of skin by removing fresh tissue layer by layer until a tumor free plane is reached
skin grafting
transfer of skin from one site to another to replace skin lost thru injury
heterograft
graft transfer from one species to another
homograft
graft transfer from another indiv of same species
autograft
graft transfer from the same person
heterograft
graft transfer from one species to another
allograft
graft transfer from another indiv of same species
chemotherapy
treatment of malignancies, infections and other diesease with chemical agents that destroy slected cells or impair their ability to reproduce
homograft
graft transfer from another indiv of same species
allograft
graft transfer from another indiv of same species
radiation therapy
treatment of neoplastic disease using ionizing radiation to deter proliferation of malignant cells
sclerotherapy
use of sclerosing agents in treating diseases
chemotherapy
treatment of malignancies, infections and other diesease with chemical agents that destroy slected cells or impair their ability to reproduce
ultraviolet therapy
use of UV light to promote healing of a skin lesion
radiation therapy
treatment of neoplastic disease using ionizing radiation to deter proliferation of malignant cells
anesthetic
a drug that temporarily blocks transmission of nerve conduction to produce a loss of sensation
sclerotherapy
use of sclerosing agents in treating diseases
antibiotic
a drug that kills or inhibis the growth of microorganisms
ultraviolet therapy
use of UV light to promote healing of a skin lesion
antifungal
a drug that kills or prevents the growth of fungi
anesthetic
a drug that temporarily blocks transmission of nerve conduction to produce a loss of sensation
antibiotic
a drug that kills or inhibis the growth of microorganisms
antifungal
a drug that kills or prevents the growth of fungi
antihistamine
a drug that blocks the effects of histamine in the body
histamine
a regulating body substance released in excess during allergic rxns causing swelling and inflm of tissues
anti-inflammatory
a drug that reduces inflam
antipruritic
a drug that relieves itching
antiseptic
an agent that inhibits growth of infectious microorganisms