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a-
an-
without, absence of
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ep-
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upon, over, above, on top
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hyper-
excessive, abnormally high, above
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par-
near, alongside, departure from normal
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sub-
under, beneath, below
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bi/o
- life
- word root bi = life
- bi- prefix = two
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kerat/o
hard, horny tissue
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-ectoly
surgical excision, removal
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-genic
pertaining to producing, formation, causing
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-oma
abnormal swelling, tumor
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-phagia
eating or swallowing
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-rhea
excessive discharge
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Functions of skin
- protects against loss of body fluids
- protects against damage due to physical injury or UV light
- protects against invasion by microorganisms
- helps to regulate body temperature by forming insulating blanket around the body
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Dermis contains
- hair
- hair follicles
- nails
- oil glands
- sweat glands
- sensory receptors
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Dermatology
medical field that specializes in the health and disease of the integumentary system
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Abrasion
skin wound caused by scraping
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Abcess
collection of pus from a localized infection
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Alopecia
loss or lack of scalp hair (baldness)
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Cellulite
local, uneven surface of the skin caused by fat deposition, usually in thighs and buttocks
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Comedo
elevated lesion formed from the buildup of sebum and keratin, pimple
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Contusion
injury to the skin causing discoloration and swelling w/o breaking skin surface...bruise
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cyst
closed sac or pouch containing fluid
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Diaphoresis
profuse sweating
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edema
swelling caused by accumulation of fluid
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erythema
general term for redness of the skin
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fissure
narrow break or slit in the skin
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Furuncle
localized skin infection originating from a hair follicle
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Induration
formation of local hard areas on the skin
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jaundice
abnormal yellow coloring of the skin also called xanthoderma
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keloid
overgrowth of scar tissue
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laceration
torn or jagged wound
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lesion
change in tissues due to disease or injury
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macule
discolored flat spot, ie freckle
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nevus
circumscribed pigmented area, a mole or birthmark
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pallor
abnormal lack of skin color...paleness
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papule
small, solid, circumscribed skin elevation
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petechia
pinpoint skin hemorrhage; plural form is petechiae
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purpura
purple-red discoloration resulting from hemorrhage into the skin
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pustule
small circumscribed skin elevation that contains pus
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ulcer
eroded lesion of the skin or mucus membrane
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urticaria
skin eruption usually caused by an allergic reaction to foods, infection, or injury, also called hives
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Verruca
small circumscribed elevation caused by a virus; a wart
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vesicle
small elevation of the pidermis that contains fluid; blister
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Wheal
temporary, itchy elevation of the skin, usually with a white center and red perimeter; welt
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acne
inflammatory eruption of the skin caused by bacterial infection of sebaceous glands and ducts
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actinic keratosis
precancerous skin condition caused by exposure to sunlight, marked by overgrowths of the outer epidermal layer
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albinism
genetic condition characterized by the lack of or reduction in melanin
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basal cell carcinoma
tumor arising from the epithelium of the epidermis; can spread locally if not treated, but seldom metastasizes
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burn
injury to skin caused by fire, electricity, chemicals, radiation, light, or friction
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carbuncle
skin infection composed of a cluster of boils caused by stapylococci bacteria
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cellulitis
inflammation of connective tissue caused by infection
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decubitus ulcer
skin sore caused by pressure or immobility while lying down; bed sore
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dermatitis
inflammation of skin
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dermatofibroma
fibrous tumor of the skin
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ecchymosis
purplish patch on the skin caused by leaking blood vessels
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Eczema
inflammatory skin disease characterized by redness, blisters, scaling, sensations of itching and burning
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erythroderma
abnormal redness of skin
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gangrene
tissue death and decay caused by loss or reduction in blood supply
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herpes
skin eruption characterized by clusters of deep blisters that appear periodically; there are many variations, all of which are caused by members of the virus family Herpes simplex
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Hidradenitis
inflammation of sweat gland
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hyperhidrosis
excessive perspiration
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impetigo
contagious skin infection characterized by blisters that later erupt to form yellowish crust
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kaposi's sarcoma
form of skin cancer characterized by formation of purple or brown patches on feet spread by lymphatics; used as a sign of aids
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leiodermai
abnormally smooth skin
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leukoderma
abnormally light-colored skin
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melanoma
malignant skin tumor that arises from melanocytes
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necrosis
disease-related death of tissue
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onychocryptosis
ingrown nail
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onychomalacia
softening of the nails
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onychomycosis
fungal infection of the nails
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onychophagia
abnormal behavior of nail biting or eating
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Pachyderma
abnormal thickening of the skin
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paronychia
infection around the nail
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Pediculosis
infestation of hair and skin with lice
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psoriasis
chronic skin condition characterized by red lesions covered with silvery scales
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scabies
skin eruption caused by female itch mite, which burrows into skin to extract blood; disorder causes mild dermatitis
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scleroderma
thickening of skin caused by swelling and thickening of fibrous connective tissue
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seborrhea
sebaceous gland hyperactivity, resulting in excessive discharge of sebum
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squamous cell carcinoma
skin cancer arising from the epdermis, usually appearing as a firm, red elevation with scales; it grows relatively slowly but is capable of metastasis in its later stages
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systemic lupus erythematosus
chronic inflammatory disease of connective tissue affecting the skin and many other organs; its early stages are characterized by red patches on the face and joint pain
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tinea
fungal infection of skin; ringworm
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trichomycosis
fungus on hair surface
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vitiligo
condition in which a loss of pigment-producing cells results in whitsh areas of skin
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xeroderma
abnormally dry skin
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biopsy
surgical removal of tissue for evaluation; bx
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debridement
removal of diseased or dead tissue and foreign matter from a wound
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dermabrasion
removal of skin scars with abrasives
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dermatoautoplasty
surgical repair using patient's skin for a skin graft; autograft
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dermatoheteroplasy
surgical repair using skin from a source other than the patient for a skin graft; allograft
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dermatome
instrument to cut skin
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emollient
agent that softens or smoothes skin
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hypodermic
procedure that involves the subcutaneous area
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onychectomy
excision of a nail
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percutaneous
through the skin
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rhytidectomy
excision of wrinkles
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rhytidoplasty
surgical repair of wrinkles
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