Medical Terminology, Chapter 12, The Integumentary System – Flashcards

Unlock all answers in this set

Unlock answers
question
abrasion
answer
an injury in which superficial layers of skin are scraped or rubbed away
question
abscess
answer
a closed pocket containing pus that is caused by a bacterial infection
question
acne vulgaris
answer
a chronic inflammatory disease characterized by pustular eruptions of the skin caused by an overproduction of sebum
question
actinis keratosis
answer
a precancerous skin growth that occurs on sun-damaged skin; It often looks like a red, tan or pink scaly patch and feels like sandpaper.
question
adipose tissue
answer
fat
question
albinism
answer
a genetic condition characterized by a deficiency or the absence of pigment in the skin, hair, and irises of the eyes.This condition is the result of a missing enzyme that is necessary for the production of melanin.
question
alopecia
answer
the partial or complete loss of hair, most commonly on the scalp
question
alopecia areata
answer
an autoimmune disorder that attacks the hair follicles, causing well-defined bald areas on the scalp or elsewhere on the body
question
alopecia capitis totalis
answer
an uncommon condition characterized by the loss of all the hair on the scalp
question
alopecia universalis
answer
the total loss of hair on all parts of the body
question
anhidrosis
answer
the abnormal condition of lacking sweat in response to heat
question
arrector pili
answer
tiny muscle fibers attached to the hair follicles that cause the hair to stand erect
question
basal cell carcinoma (BCC)
answer
a malignant tumor of the basal cell layer of the epidermis; this is the most common and least harmful type of skin cancer because it is slow growing and rarely spreads to other parts of the body. The lesions, which occur mainly on the face or neck and tend to bleed easily, are usually pink, smooth and are raised with a depression in the center.
question
biopsy
answer
the removal of a small piece of living tissue for examination to confirm or establish a diagnosis
question
blepharoplasty
answer
the surgical reduction of the upper and lower eyelids by removing excess fat, skin, and muscle. A small amount of fat from the patient's thighs or buttocks is sometimes injected in the hollow below the eye.
question
botox
answer
a formulation of botulinum toxin type A; injections that temporarily block the nerve signals to the injected muscle, reduce moderate to severe frown lines for up to 3-4 months
question
bulla
answer
a large blister that is usually more than 0.5 cm in diameter
question
burn
answer
an injury to body tissues caused by heat, flame, electricity, sun, chemicals, or radiation
question
callus
answer
a thickening of part of the skin on the hands or feet caused by repeated rubbing
question
carbuncle
answer
a cluster of connected furuncles (boils)
question
cauterization
answer
the destruction of tissue by burning
question
cellulitis
answer
an acute, rapidly spreading infection within the connective tissues that is characterized by malaise, swelling, warmth, and red streaks
question
chemabrasion
answer
the use of chemicals to remove the outer layers of skin to treat acne scarring, fine wrinkling, and keratoses
question
chloasma
answer
a pigmentation disorder characterized by brownish spots on the face.This can occur during pregnancy, especially among women with dark hair and fair skin, and usually disappears after delivery
question
cicatrix
answer
a normal scar resulting from the healing of a wound
question
clubbing
answer
abnormal curving of the nails that is often accompanied by enlargement of the fingertips
question
collagen
answer
a tough, yet flexible, fibrous protein material found in the skin and in the bones, cartilage, tendons, and ligaments
question
collagen replacement therapy
answer
a form of soft-tissue augmentation used to soften facial lines or scars or to make lips appear fuller
question
comedo
answer
a noninfected lesion formed by the buildup of sebum and keratin in a hair follicle often associated with acne vulgaris. This in addition to an obstructed opening is called a whitehead. A sebum plus that is exposed to air often oxidizes and becomes a blackhead.
question
contact dermatitis (CD)
answer
a localized allergic response caused by contact with an irritant
question
contusion
answer
an injury to underlying tissues without breaking the skin and is characterized by discoloration and pain
question
cosmetic surgeon
answer
a physician who specializes in the surgical restoration and reconstruction of body structures
question
crust
answer
a collection of dried serum and cellular debris; a scab
question
cryosurgery (cryo)
answer
the destruction or elimination of abnormal tissue cells through the application of extreme cold by using liquid nitrogen
question
curettage
answer
the removal of material from the surface by scraping; One use of this technique is to remove basal cell tumors.
question
cutaneous
answer
relating to the skin
question
cuticle
answer
a narrow band of epidermis attached to the surface of the nail just in front of the root, protecting the new keratin cells as they form
question
cyst
answer
an abnormal sac containing gas, fluid, or a semisolid material
question
debridement (debm)
answer
the removal of dirt, foreign objects, damaged tissue, and cellular debris from a wound to prevent infection and to promote healing
question
dermabrasion
answer
a form of abrasion involving the use of a revolving wire brush or sandpaper; It is used to remove acne and chickenpox scars as well as for facial skin rejuvenation.
question
dermatitis
answer
an inflammation of the skin; this condition, which takes many forms, is usually characterized by redness, swelling, and itching.
question
dermatologist
answer
a physician who specializes in diagnosing and treating disorders of the skin
question
dermatoplasty
answer
the replacement of damaged skin with healthy tissue taken from a donor site on the patient's body; also known as a skin graft
question
dermatosis
answer
a general term used to denote skin lesions or eruptions of any type that are not associated with inflammation
question
dermis
answer
the thick layer of living tissue directly below the epidermis
question
diaphoresis
answer
profuse sweating; this is a normal condition when brought on by heat or exertion but can also be the body's response to emotinal or physical distress
question
dysplastic nevi
answer
atypical moles that may develop into skin cancer
question
ecchymosis
answer
a large, irregular area of purplish discoloration due to bleeding under the skin; a bruise
question
eczema (Ez,Ecz)
answer
a form of persistent or recurring dermatitis that is usually characterized by redness, itching, and dryness, with possible blistering, cracking, oozing, or bleeding; this chronci condition most often seen in infants and children, appears to be the best result of a malfunction of the body's immune system.
question
electrolysis
answer
the use of electric current to destroy hair follicles in order to produce the relatively permanent removal of undesired hair
question
epidermis
answer
the outermost layer of the skin
question
epithelial tissues
answer
form a protective covering for all of the internal and external surfaces of the body
question
erythema
answer
redness of the skin due to capillary dilation
question
erythroderma
answer
abnormal redness of the entire skin surface
question
exfoliative cytology
answer
a technique in which cells are scraped from the tissue and examined under a microscope
question
exfoliative dermatitis
answer
a condition in which there is widespread scaling of the skin, often with pruritus, erythroderma, and hair loss. It may occur in severe cases of many common skin conditions, including eczema, psoriasis and allergic reactions.
question
female pattern baldness
answer
a condition in which the hair thins in the front and on the sides of the scalp and sometimes on the crown
question
first-degree burn
answer
superficial burn; no blisters, superficial damage to the epidermis
question
fissure
answer
a groove or crack-like break in the skin
question
folliculitis
answer
an inflammation of the hair follicles. This condition is especially common on arms, legs and in the beard area of men. One of the many causes is a bacterium found in poorly chlorinated hot tubs or whirlppols.
question
furuncles
answer
large, tender, swollen areas caused by a staphylococcal infection around hair follicles or sebaceous glands; boils
question
gangrene
answer
tissue necrosis most commonly caused by a loss of circulation to the affected tissues
question
granulation tissue
answer
the tissue that normally forms during the healing of a wound
question
granuloma
answer
a general term used to describe small, knot-like swellings of granulation tissue in the epidermis. THey can result from inflammation, injury or infection
question
hair
answer
rod-like structures composed of tightly fused, dead protein cells filled with hard keratin
question
hair follicles
answer
the sacs that hold the root of the hair fibers
question
hematoma
answer
a swelling of clotted blood trapped in the tissues, usually caused by an injury. The body eventually reabsorbs this blood. It is named for the area where it occurs.
question
heparin
answer
an anticoagulant released in response to an injury
question
hidrosis
answer
the production and excretion of sweat
question
hirsutism
answer
the presence of excessive body and facial hair in women, usually occurring in a male pattern. This condition can be hereditary or caused by a hormonal imbalance.
question
histamine
answer
released in response to allergens, causes the signs of an allergic response, including itching and increased mucus secretion
question
hyperhidrosis
answer
a condition of sweating in one area or over the whole body
question
ichthyosis
answer
a group of hereditary disorders characterized by dry, thickened, and scaly skin. These conditions are caused either by the slowing of the skin's natural shedding process or by a rapid increase in the production of the skin's cells.
question
impetigo
answer
a highly contagious bacterial skin infection that commonly occurs in children. This condition is characterized by isolated pustules that become crusted and rupture.
question
incision and drainage (I&D)
answer
involves incision (cutting open) of a lesion, such as an abscess, and draining the contents
question
infestation
answer
the dwelling of microscopic parasites on external surface tissue
question
keloid
answer
an abnormally raised or thickened scar that expands beyond the boundaries of the incision; A tendency to form keloids is often inhereited and is more common among people with dark-pigmented skin.
question
keratin
answer
a fibrous, water-repellant protein
question
keratosis
answer
any skin growth, such as a wart or a callus, in which there is overgrowth and thickening of the skin
question
koilonychia
answer
a malformation of the nails in which the outer surface is concave or scooped out like the bowl of a spoon; Indication of iron-deficiency anemia.
question
laceration
answer
a torn or jagged wound, or an accidental cut wound
question
laser
answer
light amplification by stimulated emission of radiation
question
lesion
answer
a pathologic change of the tissues due to disease or injury
question
lipectomy
answer
the surgical removal of fat beneath the skin to improve physical appearance.
question
lipedema
answer
a chronic abnormal condition that is characterized by the accumulation of fat and fluid in the tissues just under the skin of the hips and legs. This condition usually affects women and even with weight loss, this localized excess fat does not go away.
question
lipocytes
answer
fat cells
question
lipoma
answer
a benign, slow-growing fatty tumor located between the skin and the muscle layer; This fatty tumor is usually harmless and treatment is rarely necessary unless the tumor is in a bothersome location, is painful or is growing rapidly.
question
liposuction
answer
the surgical removal of fat beneath the skin with the aid of suction
question
lunula
answer
a pale half-moon-shaped region at every nail root that is generally most easily seen in the thumbnail
question
lupus erythematosus
answer
an autoimmune disorder characterized by a red, scaly rash on the face and upper trunk
question
macule
answer
a discolored, flat spot that is less than 1 cm in diameter; freckles or flat moles are examples.
question
male pattern baldness
answer
a common hair-loss pattern in men, with the hairline receding from the front to the back until only a horseshoe-shaped area of hair remains in the back and at the temples
question
malignant melanoma (MM)
answer
a type of skin cancer that occurs in the melanocytes; this is the most serious type of skin cancer and often the first signs are changes in size, shap or color of mole.
question
mast cells
answer
found in the connective tissue of the dermis; respond to injury, infection, or allergy by producing and releasing substances, including heparin and histamine
question
melanocytes
answer
cells that produce and contain a dark brown to black pigment called melanin
question
melanosis
answer
any condition of unusual deposits of black pigment in different parts of the body
question
miliaria
answer
an intensely itchy rash caused by blockage of the sweat glands by bacteria and dead cells; also known as heat rash and prickly heat (do not confuse with malaria)
question
Mohs surgery
answer
a technique used to treat skin cancer
question
nail root
answer
fastens the nail to the finger or toe by fitting into a groove in the skin
question
nails
answer
protect the dorsal surface of the last bone of each toe and finger
question
necrotizing fasciitis
answer
a severe infection caused by Group A strep bacteria also known as flesh eating bacteria. These bacteria normally live harmlessly on the skin; however, they enter the body through a skin wound, thisserious infection can result . If untreated, the infected body tissue is destroyed and the illnes can be fatal.
question
nevi
answer
small, dark skin growths that develop from melanocytes in the skin; also known as moles
question
nodule
answer
a solid, raised skin lesion that is larger than 0.5 cm in diameter and deeper than a papule
question
onychia
answer
an inflammation of the matrix of the nail that usually results in the loss of the nail
question
onychocryptosis
answer
the edges of a toenail, usually on the big toe, curve inward and cut into the skin; also known as an ingrown toenail. the infected area is prone to inflammation or infection
question
onychomycosis
answer
a fungal infection of the nail; This condition can cause the nails to turn, white, yellow, green or black and to become thick or brittle.
question
onychophagia
answer
nail biting or nail eating
question
papilloma
answer
a benign, superficial wart-like growth on the epithelial tissue or elsewhere in the body
question
papule
answer
a small, raised red lesion that is less than 0.5 cm in diameter and does not contain puss
question
paronychia
answer
an acute or chronic infection of the skin fold around a nail
question
pediculosis
answer
an infestation with lice
question
pediculosis capitis
answer
an infestation with head lice
question
pediculosis corporis
answer
an infestation with body lice
question
pediculosis pubis
answer
an infestation with lice in the pubic hair and pubic region
question
perspiration
answer
secreted by sweat glands and is made up of 99% water plus some salt and metabolic waste products; sweat
question
perspiring
answer
sweating; one way in which the body excretes excess water
question
petechiae
answer
very small, pinpoint hemorrhages that are less than 2 mm in diameter; sometimes result from very high fevers.
question
plaque
answer
a scaly, solid raised area of closely spaced papules
question
polyp
answer
a general term used most commonly to describe a mushroom-like growth from the surface of a mucous membrane, such a polyp in the nose; these growths have many causes and are not necesarily malignant
question
pores
answer
openings on the surface of the skin for the ducts of the sweat glands
question
port-wine stain
answer
a large, reddish-purple discoloration of the face or neck. This type of birthmark will not resolve without treatment.
question
pressure sore
answer
an open ulcerated area in which prolonged pressure has caused tissue death; Without proper care, these sores quickly become seriously infected and can result in tissue death.
question
pruritus
answer
also known as itching and is associated with most forms of dermatitis
question
psoriasis
answer
a common skin disorder characterized by flare-ups in which red papules covered with silvery scales occur on the elbows, knees, scalp, back, or buttocks
question
puncture wound
answer
a deep hole made by a sharp object such as a nail
question
purpura
answer
the appearance of multiple purple discolorations on the skin caused by bleeding underneath the skin. These areas of discoloration are smaller than an ecchymosis and larger than ptechiae.
question
purulent
answer
producing or containing pus
question
pustule
answer
a small, circumscribed lesion containing pus; a pimple
question
pyoderma
answer
any acute, inflammatory, pus-forming bacterial skin infection such as impetigo
question
rhinophyma
answer
a condition characterized by hyperplasia (overgrowth) of the tissues of the nose and is associated with advanced rosacea; usually occurs in older men
question
rhytidectomy
answer
the surgical removal of excess skin and fat around the face to eliminate wrinkles; also known as a facelift
question
rosacea
answer
characterized by tiny red pimples and broken blood vessels; this condition is unknown and can usually develop in individuals with fai skin between 30 and 60 years of age.
question
scabies
answer
a skin infection caused by an infestation with the itch mite. These tiny mites cause samll itchy bumps and blisters by burrowing into the top layer of human skin to lay their eggs.
question
scales
answer
flakes or dry patches made up of excess dead epidermal cells; some shedding is normal; however, excessive shedding is associated with skin disorders such as psoriasis.
question
scleroderma
answer
an autoimmune disorder in which the connective tissues become thickened and hardened, causing the skin to become hard and swollen. This condition can also affect the joints and internal organs.
question
sclerotherapy
answer
used in the treatment of spider veins by injecting a saline sclerosing solution into the vein. This solution irritates the tissue causing the veins to collapse and dissapear.
question
sebaceous cyst
answer
a closed sac associated with a sebaceous gland that is found just under the skin
question
sebaceous glands
answer
secrete sebum (oil) that lubricates the skin and discourages the growth of bacteria on the skin
question
seborrhea
answer
overactivity of the sebaceous glands that results in the production of an excessive amount of sebum
question
seborrheic dermatitis
answer
an inflammation that causes scaling and itching of the upper layers of the skin or scalp; Extensive dandruff is a form of it, as is the scalp rash in infants known as cadle cap.
question
seborrheic keratosis
answer
a benign skin growth that has a waxy or "pasted on" look
question
sebum
answer
released through ducts opening into the hair follicles
question
second-degree burn
answer
partial thickness burn; blisters, damage to the epidermis and dermis
question
sensory nerve endings
answer
sensory receptors stimuli such as touch, temperature, pain, and pressure
question
skin
answer
covers the external surfaces of the body
question
skin cancer
answer
a harmful, malignant growth on the skin
question
skin tags
answer
small, flesh-colored or light brown polyps that hand from the body by fine stalks
question
sleep hyperhidrosis
answer
the occurrence of excessive hyperhidrosis during sleep; also known as night sweats
question
squamous cell carcinoma (SCC)
answer
originates as a malignant tumor of the scaly squamous cells of the epithelium; however, it can quickly spread to other body systems. These cancers begin as skin lesions that appear to be sores that will not heal or that have a crusted look.
question
squamous epithelial tissue
answer
forms the upper layer of the epidermis
question
strawberry hemangioma
answer
a soft, raised, dark-reddish-purple birthmark
question
subcutaneous layer
answer
located just below the skin, connects the skin to the surface muscles
question
sunburn
answer
a form of erythema in which skin cells are damaged by exposure to the ultraviolet rays in sunlight
question
sunscreen
answer
blocks out the harmful ultraviolet B (UVB) rays of the sun
question
sweat glands
answer
tiny, coiled glands found on almost all body surfaces, help regulate body temperature and water content by secreting sweat
question
third-degree burn
answer
full thickness burn; damage to the epidermis, dermis, and subcutaneous layers, and possibly also the muscle below
question
tinea
answer
a fungal infection that can grow on the skin, hair, or nails; also known as ringworm
question
tinea capitis
answer
found on the scalps of children
question
tinea corporis
answer
a fungal infection of the skin on the body
question
tinea cruris
answer
found in the genital area; also known as jock itch
question
tinea pedis
answer
found between the toes and on the feet; athlete's foot
question
tinea versicolor
answer
a fungal infection that causes painless, discolored areas on the skin
question
ulcer
answer
an open lesion of the skin or mucous membrane resulting in tissue loss around the edges
question
unguis
answer
fingernail or toenail; the keratin plate protecting the dorsal surface of the last bone of each finger and toe
question
urticaria
answer
itchy wheals caused by an allergic reaction
question
verrucae
answer
small, hard skin lesions caused by the human papilloma virus; warts
question
vesicle
answer
a small blister, less than 0.5 cm in diameter, containing watery fluid
question
vitiligo
answer
a skin condition resulting from the destruction of the melanocytes due to unknown causes
question
wheal
answer
a small bump that itches; a welt
question
xeroderma
answer
excessively dry skin
question
actin/o
answer
light
question
albin/o
answer
white
question
alopec/o
answer
baldness, mangy
question
ante-, pre-
answer
before, in front of, forward
question
bi/o
answer
life
question
cicatric/o
answer
scar
question
crypt/o
answer
hidden
question
cutane/o, dermat/o, derm/o
answer
skin
question
diaphor/o
answer
sweat
question
furuncul/o
answer
furunculus, a boil, an infection
question
granul/o
answer
granule(s)
question
hidr/o
answer
sweat
question
hirsut/o
answer
hairy, rough
question
ichthy/o
answer
dry, scaly
question
kel/o
answer
growth, tumor
question
kerat/o
answer
horny, hard, cornea
question
koil/o
answer
hollow or concave
question
lip/o
answer
fat, lipid
question
macul/o
answer
spot
question
myc/o
answer
fungus
question
necr/o
answer
death
question
nev/o
answer
birthmark, mole
question
onych/o, ungu/o
answer
fingernail or toenail
question
pedicul/o
answer
louse, lice
question
petechi/o
answer
skin spot
question
pil/i, pil/o
answer
hair
question
post-
answer
after, behind
question
prurit/o, psor/i, psor/o
answer
itching
question
purpur/o
answer
purple
question
purul/o
answer
pus-filled
question
rhytid/o
answer
wrinkle
question
seb/o
answer
sebum
question
tine/o
answer
gnawing worm, ringworm
question
urtic/o
answer
nettle, rash, hives
question
verruc/o
answer
wart
question
viti/o
answer
blemish, defect
question
xer/o
answer
dry
question
exanthem
answer
refers to widespread rash, usually in children.
question
excisional biopsy
answer
the entire tumor or lesion and a margin of surrounding tissue are removed
question
incisional biopsy
answer
a piece, but not all, of the tumor or lesion is removed.
question
needle biopsy
answer
a hollow needle is used to remove a core of tissue for examination
question
photodynamic therapy (PDT)
answer
is a technique used to treat damaged and precancerous skin, as well as various types of cancer.
question
retinoids
answer
chemical compounds derived from vitamin A used in skin care treatment
question
systemic lupus erythematosus (SLE)
answer
Chronic disease of the connective tissue that injures the skin, joints, kidneys, nervous system, and mucous membranes. May produce a characteristic butterfly rash across the cheeks and nose.
Get an explanation on any task
Get unstuck with the help of our AI assistant in seconds
New