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10 Cards in this Set
- Front
- Back
whats the skin?
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the largest organ in the body
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What are the appendages of the skin?
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sweat glands, sebacious glands, nails, and hair follicles.
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what are the layers of the skin?
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epidermis and dermis
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Name epidermis cell types and tissue classification
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Stratisfied squamous : Keratinocytes, melanocytes, langerhnan's cells, Merkel cells
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Keratinocytes
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predominant cell type, produces keratin, very abundant,
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Melanocytes
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procude melanin:
protects from UV light pigment color injects into keratinocytes |
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Langerhan's cells
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macrophages
roaming cells that gets rid of bacteria, body defense, and alerts the immune system |
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Merkel cells
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touch sensors
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Thick Skin
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5 strata: palms, fingertips, soles of feet,
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Thin skin
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4 strata:
1st stratum corneum(outermost) 2nd Stratuma lucidum(thick skin only!) 3rd granulosum(grainy) 4th spinosum 5th basale |