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Properties of Skin

Ch. 10 Properties of the skin

acne skin disorder characterized by chronic inflammation of the sebaceous glands from retained secretions
adipose tissue also known as subcutaneous tissue; lies beneath the dermis
albinism congenital leukoderma or absence of melanin pigment in the body
anhidrosis deficiency or lack of perspiration
anthrax inflammatory skin disease characterized by the presence of a small, red papule, followed by the formation of a pustule, vesicle, and hard swelling
asteatosis condition of dry, scaly skin due to lack of sebum
basal cell carcinoma most common and least severe type of skin cancer
blackhead an open comedone; consists of an accumulation of excess oil that has been oxidized to a dark color
bromhidrosis foul-smelling perspiration
bulla large blister containing a watery fluid
chloasma non-elevated spots due to increased pigmentation in the skin
cicatrix technical term for scar
collagen fibrous protein that gives the skin form and strength
comedones a mass of hardened sebum and skin cells in a hair follicle that may be open (blackhead) or open (whitehead)
corium another name for the dermis
crust dead cells that have accumulated over a wound
cuticle another name for the epidermis
cutis another name for the dermis
cyst a closed, abnormally developed sac containing fluid or morbid matter, above or below the skin
derma technical name for skin; also another name for the dermis
dermatisis an inflammatory condition of the skin
dermatitis venenata an eruptive skin condition due to contact with irritating substances such as tints or chemicals
dermatology medical science that deals with the study of skin
dermis second/inner layer of the skin; also known as the derma, corium, cutis, or true skin
eczema inflammatory skin condition characterized by painful itching; dry or moist lesion forms
elastin protein base similar to collagen that forms elastic tissue
epidermis outermost layer of the skin; also called the cuticle or scarf skin
excoriation skin sore or abrasion caused by scratching or scraping
fissure a crack in the skin that penetrates to the dermis
herpes simplex fever blister of cold sore; a recurring viral infection
hyperhidrosis excessive perspiration or sweating
hypertrophy abnormal skin growth
ivy dermatitis a skin inflammation caused by exposure to poison ivy, oak or sumac
keloid thick scar resulting from excessive tissue growth
keratoma technical mane foe a callus caused by friction
lentigines technical name for freckles
lesion a structural change in the tissues caused by injury
leuoderma skin disorder characterized by abnormal white patches
macule spot or discoloration of the skin such as a freckle
malignant melanoma most severe form of skin cancer
melanin coloring matter or pigment of the skin; found in the stratum germinativum of the epidermis and in the papillary layers of the epidermis
milia technical name for milk spots; small. benign, whitish bumps that occur when dead skin is trapped in the surface of the skin, commonly seen in infants
miliaria rubra technical name for prickly heat
mole small brownish spot on the skin
motor nerve fibers nerve fiber distributed to the arrector pili muscles, which are attached to the hair follicles
nevus technical name for birthmark
papillary layer outer layer of the dermis, directly beneath the epidermis
papule pimple
psoriasis skin disease characterized by red patches and silvery white scales
pustule inflamed pimple, containing pus
recticular layer deeper layer of the dermis
rosacea chronic congestion of the skin characterizerd by redness, blood vessel dilation, papules, and pustules
scale an accumulation of dry or greasy flakes on the skin
scarf skin another name for the epidermis
sebaceous glands oil glands of the skin connected to hair follicles
seborrhea skin condition caused by excessive sebum secretion
sebum an oily substance secreted by the sebaceous glands
Secretory nerve fibers Regulate the excretion of perspiration from the sweat glands and the flow of sebum from the oil glands
Sensory nerve fibers react to heat, cold, touch, pressure, and pain, and send messages to the brain
Squamous cell carcinoma Type of skin cancer more serious than badal cell carcinoma but not as serious as malignant melanoma
Stain abnormal brown or wine colored skin discoloration
Steatoma Sebaceous cyst or fatty tumor
Stratum germinativum Innermost layer of the epidermis,also known as the basal or malpighian layer
stratum granulosum granular layer of the epidermis, directly beneath the stratum lucidum; the grainy layer
stratum lucidum clear layer of the epidermis, often considered part of the stratum corneum
stratum spinosm spiny layer of the the epidermis, often considered part of the stratum germinativum
subcutaneous tissue fatty tissue layer that lies beneath the dermis; also called adipose tissue
symptoms signs of disease that can felt or seen.
tan darkening of the skin due to exposure to ultraviolet rays
true skin another name for the dermis
tubercule abnormal solid lump above, within, or below the skin
tumor abnormal cell mass resulting from excessive multiplication of cells
ulcer open skin lesions accompanied by pus and loss of skin depth; a deep erosion; a depression in the skin, normally due to infection or cancer
verruca technical term for wart
vesicle small blister or sac containing clear fluid
vitiligo an acquired leukoderma characterized by milky-white spots
wheal itchy, swollen lesion caused by insect bites or plant irritations, such as nettle
whitehead a closed comedone; consists of accumulated sebum that remains a whitish color because it does not have a follicular opening for exposure to oxygen
Created by: BSPittsburgh



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