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Cards In This Set
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Dense, irregular, collagenous connective tissue.
Strong & flexible w/ many blood vessels.
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Reticular Region
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What is found in the spaces between your fibers in the reticular region.
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Adipose tissue & sweat glands
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What attaches the reticular region of the dermis to muscle & bone beneath.
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Subcutaneous layer
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Growth of the epidermis distributed throughout the body.
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Hair
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Another name for hair
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Pili
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Hair's primary function
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Protection
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3 ways hair protects.
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1.) guards scalp from injury & sun's rays
2.) eyebrows & eyelashes protects eyes from foreign particles
3.) hair nostrils & ear canals protects from insects
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4 parts of hair & describe
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Shaft-Portion of hair above surface of skin
Root-portion that penetrates deep into dermis
Hair Follicle-made of internal & external zone of epithelium
Bulb-onion shaped & at base of each follice
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How does hair receive nourishment
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Through blood vessels & papillae
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Matrix concening the hair
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ajourmanating layer that produces new hairs by cell division when older hairs shed
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How much hair does an adult lose per day
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70-100
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What can alter the growth of hair
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illness, malnutrition, stress
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What are the smooth muscles that are associated with hair
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Arrector pili
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What does the smooth muscle do under stressful conditions
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contract & pull into vertical position which results in goosebumps
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2 glands present in the skin
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sebaceous & sudoriferous
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