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Integumentary System
Terminology
9
Health Care
11th Grade
10/15/2007

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Cards

Term
Epidermis
Definition
Outer layer of the skin
Term
Keratin
Definition
Horny, or cornified, layer composed of protein. It is contained in the hair, skin, and nails
Term
Melanin
Definition
Color, or pigmentation of the skin
Term
Dermis
Definition
inner layer of the skin AKA "True Skin"
Term
Suderiferous glands (sweat glands)
Definition
tiny, coiled, tubular structures that emerge through pores on the skin's surface and secrete sweat
Term
Sebaceous glands
Definition

Secrete sebum (oil) into the hair follicles where the hair shafts pass through the dermis

Term
Hair
Definition
Compressed, keratinized cells that arise from hair follicles; the sacs that enclose the hair fibers
Term
nails
Definition
Originate in the epidermis. Nails are found on the upper surface of the ends of the finers and toes. The white area at the base of the nail is called the lunula, or moon.
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