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20 Cards in this Set
- Front
- Back
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nourishes the hair bulb
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hair papilla
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fully formed hair, extending from root to skin surface
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hair shaft
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mounds of dermis extending into the epidermis creating epidermal ridges
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dermal papillae
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prevents foreign objects from entering
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guard hairs
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large arteries and veins
adipose tissue hypodermic injections |
subcutaneous
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-barrier
-synthesis of vitamin d -absorption of oxygen proteins -holds sensory receptors -thermoregulation -psy and soc functions |
functions of skin
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cells that detect touch and sensation
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Merkal cells
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synthesizes nail cells, near bone
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nail root
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outer layer within dermis
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papillary layer
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-Skin pigment protein that absorbs ultraviolet radiation and shades underlying tissue.
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Melanin
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network of sensory nerves surrounding the hair follicle - alerts to parasites crawling
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root hair plexus
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increase attachment surface are between dermis and epidermis
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epidermal ridges
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sweat gland limited to armpit groin nipple
ceruminous glands in external ear mammary glands |
apocrine gland
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exocrine sweat gland
duct to skin surface nervous system controlled themal regulation, excretion, protection |
Eccrine gland
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exocrine gland
roduces lipid oil secretions called sebum flask shaped with duct that opens into follicle or skin surface acne is bacterial infection in duct |
sebaceous glands
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Dense irregular tissueattaches skin to deeper tissues
-pacinian corpuscle -collagen protein -in dermis |
reticular layer
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organ that produces hair
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hair follicle
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deep most part of hair that is undergoing synthesis
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hair root
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in dermal papillae
senses light touch |
meissners corpuscle
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phagotic cells that engulf bacteria
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langerhans
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