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I.S.
Integumentary System
| Question | Answer |
|---|---|
| Bacteria and dirt and can build and block the glad. This causes Pimples | Acne |
| condition that occurs when persons with normal numbers of melanocytes do not produce melanin | Albinism |
| sweat glands that do not become functional until adolescence | Apocrine glands |
| a malignant melanoma that originates in the stratum basale. This is most common in skin cancer | Basal cell carcinoma |
| The skin is also called___________. it is composed of epithelium or epidermis. | cutaneous membrane |
| a portion of stratum corneum extended over the nail | cuticle |
| When blood supplies lose oxygen for long periods the blood becomes darker red but the skin takes a bluish color. | cyanosis |
| the outermost layer of skin | epdermis |
| As sweat evaporates from the skin in hot temperatures it has a cooling effect. | evaporative cooling |
| as persons age the pigment production sows and stops resulting in______. | gray hair |
| a shaft of dead cells produced and extending from an organ called a hair follicle or root | hair |
| lies deep to the epidermis and is not always considerd to be a skin layer | hypodermis |
| the white crescent called_________ where blood vessels are found. | lunula |
| are present throughout a lifetime. these are found in the greatest numbers of humans. they are scattered all over the body even on the sole of feet and palms of hands | merocrine glands |
| ________ are composed of a dense mass of dead keratinized cells. found on the dorsal ends of fingers and toes and function in protection from mechanical stress. | Nails |
| the _______ is named for the papillae found here. it has a blood and nerve supply. | papillary layere |
| the ____ is deep to the papillary layer. this layer contains the protein fibers: elastic fibers and collagen fibers | reticular layer |
| oil glands that produce an oily secretion called_______ | sebum |
| malignant melanoma that originates in the more superficial layers of the epidermis. | spuamos cell carcinoma |
| the skin is divided into layers called______ | strata |