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Properties of Skin
Ch. 10 Properties of the skin
| Term | Definition |
|---|---|
| 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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