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Definition
| consist of the skin and its accessory organs- hair, nails, cutaneous glands |
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| study of and medical treatment of the integumentary system |
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body's largest and heaviest organ.
15% of the body weight
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Term
| what 2 layers does the skin consist of ? |
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Definition
covers palms and soles of feet and corresponding surfaces of the fingers and toes.
has sweat glands but not hair follicles or sebaceous glands |
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rest of the body is cover with this.
possesses hair follicles, sebaceous glands, and sweat glands |
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Definition
resistance to trauma and infection
other barrier functions
vitamin d synthesis
sensation
thermoregulation
nonverbal communication |
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Definition
keratinized stratified squamous epithelium.
top layer of the skin, that lacks blood vessels and depends on diffusion of nutrients from underlying connective tissue
has sparsw nerve endings for touch and pain |
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Definition
stem cells
keratinocytes
melanocytes
tactile cells
dendritic cells |
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Definition
undifferentiated cells that divide and give rise to the keratinocytes.
found in the stratum basale |
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| greater majority of epidermis. they synthesize keratin |
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occur only in the stratum basale, the stem cell, and the deepest keratinocytes.
synthesize black and brown melanin |
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| receptors for touch, found in the stratum basale layer, associated with the underyling dermalnerve fiber |
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Definition
| tactile cells and its nerve fibers collectively |
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Definition
found in stratum spinosum nd stratum granulosum.
they are immune cells that are in bone marrow
epidermis has 800 of these cells.
stand guard against toxins, microbes, and other pathogens |
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Term
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Definition
| stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum |
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