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Chapter 3 Integumentary System

skin largest organ external covering of the body protect, regulate, sensation, secretion
epidermis top layer of the skin
stratum corneum outermost horny layer dead cells filled with protein substance called keratin
stratum lucidum translucent layer frequently absent cells are dead or dying
stratum granulosum several layers of living cells in the process of dying
stratum germinativum living cells capable of mitosis or cell division melanin is formed here
dermis true skin beneath epidermis
upper or papillary layer of dermis parallel rows of papillae produce finger prints
lower or reticular layer of dermis white fibrous tissue that supports blood vessels
subcutaneous tissue attaches dermis to underlying structures
hair thin thread like develop within a follicle or socket
hair papilla base of each follicle
pilomotor muscle attaches to the side of each hair follice responsible for goose pimples
nails composed of hard keratin
lunula crescent shaped white area of the nail
eponychium cuticle of the nail
sebaceous glands oil secreting glands
sweat or sudoriferous glands secrete sweat and cool the body
acne inflammatory condition of sebaceous glands and hair follicles
acrochordon skin tags
actinic dermatitis inflammation of the skin caused by exposure to radiant energy
albinism absence of pigment in the skin, hair and eyes
alopecia baldness
anhidrosis without sweat
autograft graft of skin taken from one part of the body and applied to another part
avulsion forcibly tearing off a part of the body
basal cell carcinoma epithelial malignant tumor of the skin
bite body surface is torn by an insect or animal
boil or furuncle acute painful nodule
bulla or bleb a large blister
burn injury to tissue caused by heat
callus hardened skin
candidiasis yeast infection
carbuncle cluster of boils
causalgia intense burning pain
cellulitis inflammation of cellular or connective tissue
cicatrix scar left after the healing of a wound
comedo blackhead
corn horny induration and thickening of the skin on the toes
cutaneous the skin
cyst a bladder or sac
decubitus lying down or a bedsore
decubitus ulcer bedsore or pressure ulcer
Stage 1 of bedsore reddened are when pressed does not turn white
Stage 2 of bedsore skin blisters and open sore
Stage 3 of bedsore crater
Stage 4 of bedsore deep damage to muscle and bone
dehisence separation or bursting open of a surgical wound
dermatitis inflammation of the skin
dermatome instrument used to cut the skin for grafting
dermomycosis a skin condition caused by a fungus
ecchymosis blood seeps in the skin causing discoloration
eczema inflammatory skin disease of the epidermis scaly and itching rashes
erythema redness of the skin
erythroderma abnormal redness of the skin occurring over widespread areas of the body
eschar scab
excoriation abrasion of the epidermis by scratching
exudate production of pus or serum
folliculitis inflammation of follicles
herpes simplex inflammatory skin disease caused by herpes virus cold sore or fever blister
hidradentis inflammation of the sweat glands
hives or urticaria itching and burning swellings
hyperhidrosis excessive sweating
hypodermic under the skin
icteric jaundice
impetigo skin infection marked by vesicles or bullae
integumentary skin
intradermal within the skin
jaundice yellow excessive bile
keloid overgrowth of scar tissue excessive collagen formation
lentigo, freckle, macule flat, brownish spot
leukoderma localized loss of pigmentation
leukoplakia white spots or patches formed on tongue or cheek
lupus destructive type of skin lesion
melanocarcinoma a cancerous tumor that has black pigmentation
melanoma a malignant black mole or tumor
skin cancer malignant cells in epidermis
squamous cell cancer common skin cancer flat scaly cells on surface
basal cell cancer common skin cancer round cells
melanoma cell cancer more serious skin cancer
miliaria prickly heat rash common in infants
mole, nevus pigmented, elevated spot above the surface of the skin
onychitis inflammation of the nail
onychomycosis condition of the nail caused by a fungus
pachyderma thick skin
paranychia infectious condition of the marginal structures around the nail
pediculosis infestation of lice
petechia small, pinpoint purplish hemorrhagic spots on the skin
pruritus severe itching
psoriasis chronic skin disease pink or dull red lesions surmounted by silvery scaling
purpura purplish discoloration caused by blood seeping into the tissues
rhytidoplasty plastic surgery for wrinkle removal
roseola rose colored rash
rubella systemic disease caused by a virus and characterized by a rash and fever
rubeola measles contagious, fever, red spots
scabies contagious with papules, pustules and intense itching
scar mark left by the healing of a wound
scleroderma hardening of the skin
seborrhea excessive flow of oil from the sebaceous glands
sebum oil secretion of sebaceous glands
senile keratosis condition in older people dry scaling skin due to exposure to the sun
striae streaks or lines
subcutaneous below the skin
subungual below the nail
taut tight
telangiectasia birthmark
thermanesthesia not able to distinguish between hot and cold
tinea, ringworm contagious disease localized scaly round patches
trichomycosis fungus condition of the hair
ulcer open lesion or sore
varicella or chickenpox contagious viral disease feer, red spots and crusts
vitiligo milk white patches
wart elevation of viral origin
wound injury to soft tissue
xanthoderma yellow skin
xanthoma yellow tumor
xeroderma dry skin
xerosis abnormal dryness of the skin
Created by: Martin333
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