Ch.11 textbook flash cards
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Last updated 6:00 PM on 12/19/24
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6 Terms
1
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Arrector pili muscle
Small involuntary muscle “goosebumps”
2
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Sebaceous Glands
Oil glands in the skin connected to hair follicle
3
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Sebum
Fatty oily substance that comes from sebaceous glands
4
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Hair cuticle
Outermost layer of the hair, single overlapping layer of transparent, scale like cells: acts as a barrier
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Hair cuticle
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Cortex
Middle layer fibrous protein core formed by elongated cells contains melanin pigments 90% of hair weight, elasticity, and natural color
Note 
Flashcards (77)