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34 Cards in this Set
- Front
- Back
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outermost layer of skin
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epidermis
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protein found in skin dead cells
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keratin
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how many sublayersof epidermis are there
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5 but MT's rare come across these
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toughens and waterproofs skin
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keratin
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underneath the epidermis
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subcuticular
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often used when closing skin following an operative procedure
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subcuticular
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deeper and thicker than epidermis
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dermis
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consists of collageous, elastic and reticular fibers
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dermis
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provides skin tone
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elastic fibers
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is highly vascular, glandular, and has many nerve endings
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dermis
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what are the 2 layers of dermis
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papillary and reticular layers
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thin and contacts the epidermis; folds of this layer,
which make up fingerprint patterns, contain touch receptors |
papillary layer
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contains sweat glands
(sudoriferous), oil glands (sebaceous glands), and different types of nerve receptors |
reticular layer
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most complicated nerve
ending; sensitive to pressure and vibration and found throughout the body |
pacinian corpuscle
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composed of loose connective tissue and a lot of adipose tissue (fat)
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subcutaneous layer
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originates deeper in skin and jets out from top of it
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hair
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primary hair function
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protection
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protects against sunlight
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hair on scalp and eyebrows
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protect against airborne particles
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nostril hair and eyelashes
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when does hair becomes visible
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when cells die as they are pushed away
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involuntary; respond to termal or psychological stimuli
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arrector pili muscles
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when arrector pili muscles contract, the hair is pulled
into a vertical position, causing these or chills |
goose bumps
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found on distal ends of fingers and toes
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nails
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protect the digits and (in fingers) help to grasp and pick up small objects
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nails
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formed from a hardened layer of epidermis
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nails
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eponychium also means...
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cuticle
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whitened crescent-shaped area near the nailbed root
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luluna
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pale skin indicates
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shock or anemia
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can indicate glandular or nutritional problems
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skin texture
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result in rashes with noticeable changes in both
color and texture |
allergic reactions
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demonstrates aging or overexposure to the sun or to
pathogens, such as tobacco; same true regarding nails |
wrinkling of skin
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can indicate nutritional deficiencies
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yellow or split nails
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sign of improper oxygenation of blood
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bluish tint to nails
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deprivation of moisture
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desiccation
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