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Medical Terminology 03-Integumentary
Integumentary System
210
Medical
Undergraduate 1
10/03/2010

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Term
abrasion
Definition
scraping away a portion of the surface of the skin. Performed to remove acne scars, tattoos, and scar tissue
Term
abscess
Definition
a collection of pus in the skin
Term
acne
Definition
inflammatory disease of the sebaceous glands and hair follicles that results in papules and pustules
Term
acne rosacea
Definition
hypertrophy of sebaceous glands causing thickening skin generally on the nose, forehead, and cheeks
Term
acne vulgaris
Definition
a common form of acne occurring in adolescence from an over secretion of the oil glands. It is characterized by papules, pustules, blackheads, and whiteheads.
Term
albinism
Definition
a condition in which the person is not able to produce melanin. An albino person has white hair and skin and pupils of the eye are red.
Term
allograft
Definition
skin graft from one person to another, donor is usually a cadaver
Term
alopecia
Definition
absence or loss of hair, usually of the head
Term
anesthetics
Definition
substance that produces a lack of feeling that may be of local or general effect, depending on the type of administration
Term
anhidrosis
Definition
abnormal condition of no sweat
Term
antibiotics
Definition
substance that destroys or prohibits the growth of microorganisms. Used to treat bacterial infections. Not found effective in treating viral infections. To be effective, it must be taken regularly for a specified period
Term
antifungals
Definition
substance that kills fungi infecting the skin
Term
antiparasitic
Definition
substance that kills mites or lice
Term
antipruritics
Definition
substance that reduces severe itching.
Term
antiseptics
Definition
substance used to kill bacteria in skin cuts and wounds or at a surgical site
Term
anti-virals
Definition
Term
apocrine glands
Definition
type of sweat gland that opens into hair follicles locate in the pubic, anal, and mammary areas. These glands secrete a substance that can produce an odor when it comes into contact with bacteria on the skin causing what is commonly referred to as body odor.
Term
arrector pili
Definition
a small slip of smooth muscle attached to hairs; when this muscle contracts the hair shaft stands up and results in "goose bumps".
Term
autograft
Definition
skin graft from a person's own body
Term
basal cell carcinoma
Definition
tumor of the basal cell layer of the epidermis. A frequent type of skin cancer that rarely metastasizes or spreads. These cancers can arise on sun-exposed skin.
Term
basal layer
Definition
the deepest layer of the epidermis. This living layer constantly multiplies and divides to supply cells to replace the cells that are sloughed off the skin surface.
Term
biopsy
Definition
(Bx, bx) a piece of tissue is removed by syringe and needle, knife, punch, or brush to examine under a microscope. Used to aid in diagnosis.
Term
burn
Definition
a full-thickness burn exists when all the layers are burned; third degree. A partial-thickness burn exists when the first layer of skin, the epidermis, is burned,and the second layer of skin, dermis, is damaged, second degree. A first degree burn damages only the epidermis
Term
carbuncle
Definition
inflammation and infection of the skin and hair follicle that may results from several untreated boils. Most commonly found on neck, upper back, or head.
Term
cauterization
Definition
destruction of tissue using an electric current, caustic product, or a hot iron, or by freezing
Term
cellutitis
Definition
inflammation of the cellular or connective tissues
Term
chemabrasion
Definition
abrasion using chemicals; also called a chemical peel
Term
cicatrix
Definition
a scar
Term
collagen fibers
Definition
fibers made of an insoluble fibrous protein present in connective tissue that forms a flexible mat to protect the skin and other parts of the body
Term
comedo
Definition
medical term for a blackhead. It is an accumulation of sebum in a sebaceous gland that has become blackened
Term
contusion
Definition
injury caused by a blow to the body; causes swelling, pain, and bruising; the skin is not broken
Term
corium
Definition
the living layer of skin located between the epidermis and the subcutaneous tissue. Also referred to as the dermis. it contains hair follicles, sweat glands, sebaceous glands, blood vessels, lymph vessels, nerve fibers, and muscle fibers
Term
corticosteroid cream
Definition
a powerful anti-inflammatory cream
Term
cryosurgery
Definition
exposing tissues to extreme cold in order to destroy them. Used in treating malignant tumors and to control pain and bleeding
Term
culture and sensitivity
Definition
(C & S) a laboratory test in which a colony of pathogens that have been removed from an infected area are grown to identify the pathogen and then determine its sensitivity to a variety of antibiotics
Term
curettage
Definition
removal of superficial skin lesions with a curette (surgical instrument shaped like a spoon) or scraper
Term
cutaneous membrane
Definition
this is another term for the skin
Term
cuticle
Definition
the thin skin like layer overlapping the base of a nail
Term
cyanosis
Definition
slightly bluish color of the skin due to a deficiency of oxygen and excess of carbon dioxide in the blood. It is caused by a variety of disorders, ranging from chronic lung disease to congenital and chronic heart problems.
Term
cyst
Definition
fluid filled sac under the skin
Term
debridement
Definition
removal of foreign material and dead or damaged tissue from a wound
Term
decubitus ulcer
Definition
bedsore or pressure sore caused by pressure over bony prominences on the body; caused by a lack of blood flow.
Term
depigmentation
Definition
loss of normal skin color pigment
Term
dermabrasion
Definition
abrasion or rubbing using wire brushes or sandpaper
Term
dermatitis
Definition
inflammation of the skin
Term
dermtologist
Definition
a physician specialized in the diagnosis and treatment of diseases of the integumentary system
Term
dematology
Definition
the branch of medicine specializing in conditions of the integumentary system
Term
dermatome
Definition
instrument for cutting the skin or thin transplants of skin
Term
dermatopathy
Definition
general term for skin disease
Term
dermatoplasty
Definition
the surgical repair of the skin
Term
dermatosis
Definition
abnormal condition of the skin
Term
dermis
Definition
the living layer of skin located between the epidermis and the subcutaneous tissue. It is also referred to as the corium or the true skin. It contains hair follicles, sweat glands, sebaceous glands, blood vessels, lymph vessels, nerve fibers, and muscle fibers
Term
disphoresis
Definition
Term
dry gangrene
Definition
late stages of gangrene characterized by the affected area becoming black and leathery
Term
ecchymosis
Definition
skin discoloration or bruise caused by blood collecting under the skin
Term
eczema
Definition
superficial dermatitis accompanied by papules, vesicles, and crusting
Term
electrocautery
Definition
to destroy tissue with an electric current
Term
epidermal
Definition
pertaining to upon the skin
Term
epidermis
Definition
Thes superficial layer of skin. It is composed of squamous epithelium cells. These are flat scalelike cells that are arranged in layers, called stratified squamous epithelium. The many layers of the epidermis create a barrier to infection. The epidermis does not have a blood supply, so it is dependent on the deeper of skin nourishment. However, the deepest cells are alive and constantly dividing. Older cells are pushed out toward the surface by new cells forming beneath. During this process, they shrink and die, becoming filled with a protein call keratin. The keratin filled cells are sloughed off as dead cells
Term
erythema
Definition
redness or flushing of the skin
Term
erythroderma
Definition
red skin
Term
eschar
Definition
a thick layer of dead tissue and tissue fluid that develops over a deep burn area
Term
exfoliative cytology
Definition
scraping cells from tissue and then examining them under a microscope
Term
fissure
Definition
a deep grove or slit type opening
Term
free edge
Definition
the exposed edge of a nail that is trimmed when nails become too long
Term
frozen section
Definition
(FS) a thin piece of tissue is cut from a frozen specimen for rapid examination under a microscope
Term
fungal scrapings
Definition
scrapings, taken with a curette or scraper, of tissue from lesions are placed on a growth medium and examined under a microscope to identify fungal growth
Term
furuncle
Definition
staphylococcal skin abscess with redness, pain, and swelling
Term
gangrene
Definition
necrosis of the skin usually due to deficient blood supply
Term
hair
Definition
a structure in the integumentary system
Term
hair follicle
Definition
cavities in the dermis that contain the hair root. Hair grows longer from the root.
Term
hair root
Definition
deeper cells that divide to grow a hair longer
Term
hair shaft
Definition
older keratinized cells that form most of the length of a hair
Term
heterograft
Definition
skin graft from an animal of another species (usually pig) to a human; also called a xenograft
Term
hirsutism
Definition
excessive hair growth over the body
Term
hyperemia
Definition
redness of the skin caused by increased blood flow to the skin
Term
hyperhidrosis
Definition
abnormal condition of excessive sweat
Term
hyperpigmentation
Definition
abnormal amount of pigmentation in the skin which is seen in diseases such as acromegaly and adrenal insufficiency
Term
hypodermic
Definition
pertaining to under the skin
Term
hypodermis
Definition
the deepest layer of skin; composed primarily of adipose
Term
ichthyoderma
Definition
dry and scaly skin condition
Term
ichthyosis
Definition
condition in which the skin becomes dry, scaly, and keratinized
Term
impetigo
Definition
a highly contagious staphylococcal skin infection, most commonly occurring on the faces of children. It begins as blisters that then rupture and dry into a thick, yellow crust
Term
incision and drainage
Definition
(I & D) making an incision to create an opening for the drainage of material such as pus
Term
integument
Definition
another term for skin
Term
integumentary system
Definition
the skin and its appendages including sweat gland, oil glands, hair, and nails. Sense organs that allow us to respond to changes in temperature, pain, touch, and pressure are located in the skin. It is the largest organ in the body
Term
intradermal
Definition
(ID) pertaining to within the skin or injection of medication into the skin
Term
Kaposi's sarcoma
Definition
(KS) form of skin cancer frequently seen in acquired immunodeficiency syndrome (AIDS) patients. Consists of brownish-purple papules that spread from the skin and metastasize to internal organs
Term
keloid
Definition
formation of a scar after an injury or surgery that results in a raised, thickened red area
Term
keratin
Definition
a hard protein substance produced by the body. It is found in hair and nails, and filling the inside of epidermal cells
Term
keratosis
Definition
overgrowth and thickening of the epithelium
Term
laceration
Definition
a torn or jagged wound; incorrectly used to describe a cut
Term
laser therapy
Definition
removal of skin lesions and birthmarks using a laser beam that emits intense heat ad power at close range. The laser converts frequencies of light into one small, powerful beam
Term
lesion
Definition
a general term for wound, injury, or abnormality
Term
leukoderma
Definition
disappearance of pigment from the skin in patches, causing a milk-white appearance. Also called vitiligo
Term
lipectomy
Definition
surgical removal of fat
Term
lipocytes
Definition
medical term for cells that contain fat molecules
Term
lipoma
Definition
fatty tumor that generally does not metastasize
Term
liposuction
Definition
removal of fat beneath the skin by means of suction
Term
lunula
Definition
the lighter-colored, half-moon region at the base of a nail
Term
macule
Definition
flat, discolored area that is flush with the skin surface. An example would be a freckle or a birthmark
Term
malignant melanoma
Definition
(MM) malignant, darkly pigmented tumor or mole of the skin
Term
melanin
Definition
the black color pigment in the skin. It helps to prevent the sun's ultraviolet rays from entering the body
Term
melanocytes
Definition
special cells in the basal layer of the epidermis. They contain the black pigment melanin that gives skin its color and protects against the ultraviolet rays of the sun
Term
melanoma
Definition
also called malignant melanoma. A dangerous form of skin cancer caused by an overgrowth of melanin in the a melanocyte. It may metastasize or spread. Exposure to ultraviolet light is a risk factor for developing melanoma
Term
nail bed
Definition
connects nail body to connective tissue underneath
Term
nail body
Definition
flat plat of keratin that forms most of the nails.
Term
nail root
Definition
base of a nail; nails grow longer from the root
Term
nails
Definition
a structure in the integumentary system
Term
necrosis
Definition
dead tissue
Term
nevus
Definition
pigmented (colored) congenital skin blemish, birthmark, or mole. Usually benign but may become cancerous
Term
nodule
Definition
solid, raised group of cells
Term
onychectomy
Definition
excision of a nail
Term
onychia
Definition
infected nail bed
Term
onychomalacia
Definition
softening of nails
Term
onychomycosis
Definition
abnormal condition of nail fungus
Term
onychophagia
Definition
nail biting
Term
pallor
Definition
abnormal paleness of the skin
Term
papule
Definition
small, solid, circular raised spot on the surface of the skin, often as a result of an inflammation in an oil gland
Term
paronychia
Definition
infection around a nail
Term
pathogens
Definition
disease-bearing organisms
Term
pediculosis
Definition
infestation with lice
Term
perspiration
Definition
another term for sweating
Term
petechiae
Definition
flat, pinpoint, purplish spots from bleeding under the skin
Term
photosensitivity
Definition
condition in which the skin reacts abnormally when exposed to light such as the ultraviolet rays of the sun
Term
plastic surgery
Definition
surgical specialty involved in repair, reconstruction, or improvement of body structures such as the skin that are damaged, missing, or misshapen. Physician is a plastic surgeon
Term
pruritus
Definition
severe itching
Term
psoriasis
Definition
chronic inflammatory condition consisting of crusty papules forming patches with circular borders
Term
purpura
Definition
hemorrhages into the skin and mucous membranes
Term
purulent
Definition
pus filled sputum, which can be the result of infection
Term
pustule
Definition
raised spot on the skin containing put
Term
pyoderma
Definition
pus producing skin infection
Term
pyogenic
Definition
pus forming
Term
rhytidectomy
Definition
surgical removal of excess skin to eliminate wrinkles. Commonly referred to as a facelift
Term
rhytidoplasty
Definition
excision of wrinkles
Term
rubella
Definition
contagious viral skin infection; commonly called German Measles
Term
scabies
Definition
contagious skin disease caused by an egg laying mite that causes intense itching; often seen in children
Term
scleroderma
Definition
disorder in which the skin becomes taut, thick, and leather like
Term
sebaceous cyst
Definition
sac under the skin filled with sebum or oil from a sebaceous gland. This can grow to a large size and may need to be excised.
Term
sebaceous gland
Definition
also called oil glands. They produce a substance called sebum that lubricates the skin surface
Term
seborrhea
Definition
excessive discharge of sebum
Term
sebum
Definition
thick, oily substance secreted by sebaceous glands that lubricates the skin to prevent drying out. When sebum accumulates, it can cause congestion in the sebaceous glands and whiteheads or pimples may form. When the sebum becomes dark it is referred to as a comedo or blackhead
Term
sensory receptors
Definition
nerve fibers that are located directly under the surface of the skin. These receptors detect temperature, pain, touch and pressure. The messages for these sensations re conveyed to the brain and spinal cord from the nerve endings in the skin
Term
skin
Definition
the major organ of the integumentary system It forms a barrier between the external and internal environment
Term
skin graft
Definition
the transfer of skin from a normal area to cover another site. Used to treat burn victims and after some surgical procedures
Term
squamous cell carcinoma
Definition
(SCC) epidermal cancer that may go into deeper tissue but does not generally metastasize
Term
stratified squamous epithelium
Definition
the layers of flat or scalelike cells found in the epidermis. Stratified means multiple layers and squamous means flat
Term
strawberry hemangioma
Definition
congenital collection of dilated blood vessels causing a red birthmark that fades a few months after birth
Term
subcutaneous
Definition
(SC, sc, sub-1, subcu) pertaining to under the skin or injection of medication under the skin
Term
subcutaneous layer
Definition
this is the deepest layer of the skin where fat is formed. This layer of fatty tissue protects the deeper tissues of the body and acts as an insulation for heat and cold
Term
sudoriferous glands
Definition
the typical sweat glands of the skin
Term
suppurative
Definition
containing or producing pus
Term
sweat duct
Definition
duct leading from a sweat gland to the surface of the skin; carries sweat
Term
sweat glands
Definition
glands that produce sweat, which assists the body in maintaining its internal temperature by creating a cooling effect when it evaporates
Term
sweat pore
Definition
the surface opening of a sweat duct
Term
systemic lupus erythematosus
Definition
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
Term
tinea
Definition
fungal skin disease resulting in itching, scaling lesions
Term
tinea capitis
Definition
fungal infection of the scalp; commonly called ringworm
Term
tinea pedis
Definition
fungal infection of the foot; commonly called athlete's foot
Term
trichomycosis
Definition
abnormal condition of hair fungus
Term
ulcer
Definition
open sore or lesion in skin or mucous membrane
Term
ungual
Definition
Term
urticaria
Definition
hives, a skin eruption of pale reddish wheals (circular elevations of the skin) with severe itching. Usually associated with food allergy, stress, or drug reactions
Term
varicella
Definition
contagious viral skin infection; commonly called chickenpox
Term
verruca
Definition
warts; a benign neoplasm (tumor) caused by a virus. Has a rough surface that is removed by chemicals and/or laser therapy
Term
vesicle
Definition
small fluid filled raised spot on the skin
Term
vitiligo
Definition
disappearance of pigment from the skin in patches, causing a milk-white appearance. Also called leukoderma
Term
wet gangrene
Definition
area of gangrene becoming infected by pus producing bacteria
Term
wheal
Definition
small, round raised area on the skin that may be accomplished by itching.
Term
zenograft
Definition
skin graft from an animal of another species (usually pig) also called heterograft
Term
xeroderma
Definition
dry skin
Term
albin/o
Definition
white
Term
bi/o
Definition
life
Term
cry/o
Definition
cold
Term
cutane/o
Definition
skin
Term
cyan/o
Definition
blue
Term
derm/o
Definition
skin
Term
dermat/o
Definition
skin
Term
disphor/o
Definition
profuse sweating
Term
electr/o
Definition
electricity
Term
erythr/o
Definition
red
Term
hidr/o
Definition
sweat
Term
ichthy/o
Definition
scaly, dry
Term
kerat/o
Definition
hard, horny
Term
leuk/o
Definition
white
Term
lip/o
Definition
fat
Term
melan/o
Definition
black
Term
myc/o
Definition
fungus
Term
necr/o
Definition
death
Term
pmucj/o
Definition
nail
Term
pil/o
Definition
hair
Term
phot/o
Definition
light
Term
py/o
Definition
pus
Term
rhytid/o
Definition
wrinkle
Term
scler/o
Definition
hard
Term
seb/o
Definition
oil
Term
trich/o
Definition
hair
Term
ungu/o
Definition
nail
Term
vesic/o
Definition
bladder
Term
xer/o
Definition
dry
Term
-derma
Definition
skin
Term
-opsy
Definition
view
Term
-tome
Definition
instrument used to cut
Term
alio-
Definition
other, different from usual
Term
xeno-
Definition
strange, foreign
Term
skin
Definition
organ
Term
hair
Definition
organ
Term
nails
Definition
organ
Term
sebaceous glands
Definition
organ
Term
sweat glands
Definition
organ
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