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LaFleur Chapter 4

Integumentary System

epidermis outer layer of skin
keratin horny, or cornified, layer composed of protein
melanin color, or pigmentation, of the skin
dermis inner layer of skin
sudoriferous (sweat) glands tiny, coiled, tubular structures that emerge through pores on the skin's surface and secrete sweat
sebaceous glands secrete sebum (oil) into the hair follicles where the hair shafts pass through the dermis
hair compressed, keratinized cells that arise from hair follicles
nails originate in the epidermis; found on the upper surface of the ends of the fingers and toes
cutane/o, derm/o, dermat/o combing form for skin
hidr/o combing form for sweat
kerat/o combining form for horny tissue, hard
onych/o, ungu/o combining form for nail
seb/o combining form for sebum (oil)
trich/o combining form for hair
aut/o combing form for self
bi/o combing form for life
coni/o combining form for dust
crypt/o combining form for hidden
heter/o combing form for other
myc/o combing form for fungus
necr/o combining form for death (cells, body)
pachy/o combing form for thick
rhytid/o combining form for wrinkles
staphyl/o combining form for grapelike clusters
strept/o combining form for twisted chains
xer/o combining form for dry
epi- on, upon, over (prefix)
intra- within (prefix)
para- beside, beyond, around, abnormal (prefix)
per- through (prefix)
sub- under, below (prefix)
trans- through, across, beyond (prefix)
-a noun suffix, no meaning
-coccus berry-shaped (suffix)
-ectomy excision or surgical removal (suffix)
-ia diseased or abnormal state, condition of (suffix)
-itis inflammation (suffix)
-malacia softening (suffix)
-opsy view of, viewing (suffix)
-phagia eating or swallowing (suffix)
-plasty surgical repair (suffix)
-rrhea flow, discharge (suffix)
-tome instrument used to cut (suffix)
dermatitis inflammation of the skin
dermatoconiosis abnormal condition of the skin caused by dust
dermatofibroma fibrous tumor of the skin
hidradenitis inflammation of the sweat gland
leiodermia condition of smooth skin
onychocryptosis abnormal condition of a hidden nail
onychomalacia softening of the nails
onychomycosis abnormal condition of a fungus in the nails
onychophagia eating the nails (nail biting)
pachyderma thickening of the skin
paronychia diseased state around the nail
seborrhea discharge of sebum
trichomycosis abnormal condition of a fungus in the hair
xeroderma dry skin
abrasion scraping away of the skin by mechanical process or injury
abscess localized collection of pus
acne inflammatory disease of the skin involving the sebaceous glands and hair follicles
actinic keratosis a precancerous skin condition of horny tissue formation that results from excessive exposure to sunlight
albinism congenital hereditary condition characterized by partial or total lack of pigment in the skin, hair, and eyes
basal cell carcinoma epithelial tumor arising from the epidermis
candidiasis an infection of the skin, mouth, or vagina caused by the yeast-type fungus candida albicans
carbuncle skin infection composed of a cluster of boils caused by staphylococcal bacteria
cellulitis inflammation of the skin and subcutaneous tissue caused by infection, leading to redness, swelling, and fever
contusion injury with no break in the skin
eczema noninfectious, inflammatory skin disease characterized by redness, blisters, scabs and itching
fissure slit or cracklike sore in the skin
furuncle painful skin node caused by staphylococcal bacteria in a hair follicle
gangrene death of tissue caused by loss of blood supply followed by bacteria invasion
herpes inflammatory skin disease caused by herpes vir
impetigo superficial skin infection characterized by pustules
kaposi sarcoma a cancerous condition starting as purple or brown papules on the lower extremities that spreads through the skin to the lymph nodes and internal organs
laceration torn, ragged-edged wound
lesion any visible change in tissue resulting from injury or disease
pediculosis invasion into the skin and hair by lice
psoriasis chronic skin condition producing red lesions covered with silvery scales
rosacea chronic disorder of the skin that produces erythema, papules, pustules, and broken blood vessels
scabies skin infection caused by the itch mite
scleroderma a disease characterized by chronic hardening of the connective tissue of the skin and other body organs
shingles development of painful, inflamed blisters that follow the nerve routes
squamous cell carcinoma a malignant growth that develops from scale-like epithelial tissue
tinea fungal infection of the skin
urticaria an itching skin eruption composed of wheals of varying size and shape
biopsy view of life (the removal of living tissue from the body to be viewed under the microscope
dermatoautoplasty surgical repair using one's own skin
dermatoheteroplasty surgical repair using skin from others
dermatome instrument used to cut skin
dermatoplasty surgical repair of the skin
onychectomy excision of a nail
rhytidectomy excision of wrinkles
rhytidoplasty surgical repair of wrinkles
cauterization destruction of tissue with a hot or cold instrument, electric current, or caustic substance
cryosurgery destruction of tissue by using extreme cold, often by using liquid nitrogen
debridement removal of contaminated or dead tissue and foreign matter from an open wound
dermabrasion procedure to remove skin scars with abrasive material
excision removal by cutting
incision surgical cut or wound produced by a sharp instrument
incision and drainage surgical cut made to allow allow the free flow or withdrawal of fluids from a lesion, wound, or cavity
laser surgery procedure using an instrument that emits a high-powered beam of light used to cut, burn, vaporize, or destroy tissue
mohs surgery technique of microscopically controlled serial excisions of skin cancers
suturing to stitch edges of a wound surgically
dermatologist a physician who studies and treats skin (diseases)
dermatology study of the skin
epidermal pertaining to upon the skin
erythroderma red skin
hypodermic pertaining to under the skin
intradermal pertaining to within the skin
keratongenic originating in horny tissue
leukoderma white skin
necrosis abnormal condition of death
percutaneous pertaining to through the skin
staphylococcus berry-shaped (bacteria) in grapelike clusters
streptococcus berry-shaped (bacteria) in twisted chains
subcutaneous pertaining to under the skin
trandermal pertaining to through the skin
ungual pertaining to the nail
xanthoderma yellow skin (jaundice)
adipose fat, fatty
allergy hypersensitivity to a substance
alopecia loss of hair
bacteria sing-celled microorganisms that reproduce by cell division and may cause infection by invading body tissue
cicatrix scar
cyst a closed sac containing fluid or semisolid material
ctyomegalovirus a herpes-type virus that usually causes disease when the immune system is compromised
diaphoresis profuse sweating
ecchymosis escape of blood into the tissues, causing superficial discoloration; a black and blue mark
edema puffy swelling of tissue from the accumulation of fluid
emollient agent that softens or soothes the skin
erythema redness
fungus organism that feeds by absorbing organic molecules from its surrounding and may cause infection by invading body tissue
induration abnormal hard spots
jaundice condition characterized by a yellow tinge to the skin
keloid overgrowth of scar tissue
leukoplakia condition characterized by white spots or patches on mucous membrane, which may be cancerous
macule flat, colored spot on the skin
nevus circumscribed malformation of the skin, usually brown, black, or flesh colored
nodule a small knotlike mass that can be felt by touch
pallor paleness
papule small, solid skin elevation (pimple)
petechia a pinpoint skin hemorrhage
pressure ulcer eroded sore on the skin caused by prolonged pressure, often occurring in bed ( also called decubitus ulcer or bed sore)
pruritus severe itching
purpura disorder characterized by hemorrhages into the tissue, giving the skin a purple-red discoloration
pustule elevation of skin containing pus
ulcer eroded sore on the skin or mucous membrane
verruca circumscribed cutaneous elevation caused by a virus
visicle small elevation of the epidermis containing liquid
virus minute microorganism, much smaller than bacterium, characterized by a lack of independent metabolism and the ability to replicate only within living host cells
wheal transitory, itchy elevation of the skin with white center and a red surrounding area
lunula the white area at the base of the nail
Created by: nicolync