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10 Cards in this Set

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  • Back
What is Alopecia?
Alopecia is partial or complete lack of hair resulting from normal aging, endocrine disorder, drug reaction, anticancer medication, or skin disease
Explain the function and location of apocrine glands
Apocrine sweat glands are located in the axillae, breast areola, umbilical and anogenital areas, external auditory canals, and eyelids; they secrete thick milky substance of unknown composition that becomes odoriferous when altered by skin surface bacteria.
Explain the function and location of eccrine glands
Eccrine sweat glands are widely distributed over the body, except in a few areas, such as lips. Eccrine sweat is composed chiefly of water with various salts
What are the two types of sweat glands; what are their main functions, how do they differ?
Apocrine and Eccrine sweat glands’ function is to cool the body by evaporation, to excrete waste products through the pores of the skin, and to moisturize surface cells. Apocrine glands produce a thick, "milky" substance whereas eccrine glands produce a thin water like substance.
What is the dermis, where is it located and what is its function?
The dermis is the connective tissue below the epidermis; is highly vascular and assists in body temperature and blood pressure regulation
What is the epidermis?
The epidermis is the thin avascular superficial layer of the skin. It is made up of an outer dead cornified portion that serves as a protective barrier and a deeper, living portion that folds into the dermis.
Give a def. of the word Intertriginous?
Intertriginous - areas where skin surfaces overlap, and rub on each other (ex. chafing or a rash in obese patients)
What is a keloid, what makes a person more prone to them?
A keloid is an overgrowth of collagenous scar tissue at the site of the skin injury, particularly a wound or a surgical incision; the new tissue is elevated, rounded, and firm. Darker skin people are more prone to them.
What are Keratinocytes?
Keratinocytes are a type of epidermal cells; synthesized from epidermal cells in the basal layer, and produce fibrous protein, keratin, which is vital to the protective barrier function of the skin.
What are Melanocytes?
Melanocytes are a type of epidermal cells; contained in the deep, basal layer (stratum germinativum) of the epidermis, and contain melanin, a pigment that gives color to the skin and hair and protects the body from damaging UV sunlight.