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25 Cards in this Set
- Front
- Back
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Integument
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covering
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Dermis
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True skin
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Epidermis
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most superficial layer
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Hypodermis
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subcutaneous tissue
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Keratin
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fibrous waterproofing protein
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Hyperkeratosis
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thickening of the stratum corneum
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Stratum Corneum
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top layer
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Stratum Lucidum
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only present in thick skin. contains keratinocytes which block water penetration
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Stratum Granulosum
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3-5 cell layers of keratinocytes. where keratinization actually begins.
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Stratum Spinosum
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spiny layer. contains langerhan cells
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Stratum Basale
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single layer of cells where mitosis takes place. bottom layer of epidermis
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Langerhan Cells
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cells involved with the immune response
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Papillary
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finger - like extensions upward into the epidermis. causes fingerprints
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Dermal - epidermal junction
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a layer of jelly - like substance that is located between the dermis and epidermis
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Reticular
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consists of dense collagen fibers. extracted from animals to make leather
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Arrestor Pili Muscles
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tiny muscles on each side of the hair which causes hairs to stand up. causes goosebumps
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Shaft
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above the skin. what we see. consists of dead cells.
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Pili
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hair
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Melanin
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protein which affects skin color
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Mammary
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produces milk - only in females
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Sebaceous
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type of gland found all over the skin except on palms of hands and soles of feet. produces sebum.
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Sebum
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a mixture of oily substances and fragmented cells. lubricant that keeps the skin soft and noise and keeps hair from becoming brittle
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Sudoriforous
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sweat glands. most numerous of skin glands.
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Cerumenous
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located in the ear. produces cerumen. for protection and cleans ear canal
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Cerumen
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ear wax
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