Term
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Definition
| Innermost layer of the skin |
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Term
| what tissue is the dermis made of? |
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Definition
connective tissue
-areolar (papillary)
-dense irregular connective tissue (reticular) |
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|
Term
| What does the dermis contain? (5) |
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Definition
-blood vessels
-nerve endings
-hair follicles
-glands
-smooth muscle |
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Term
What are the dermis layers?
where located? |
|
Definition
papillary layer and reticular layer
-papillary is right below stratum basale
-reticular is 80% of dermis
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|
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Term
How much of dermis is the reticular layer?
what tissue is it made out of?
|
|
Definition
80%
-made of dense irregular connective tissue |
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Term
| what layer of dermis is made of large bundles of collagen and elastin? |
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Definition
|
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Term
| what does the papillary layer of dermis specifically contain? |
|
Definition
-collagen and elastin (part of areolar tissue)
-dermal papillae |
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|
Term
| what are dermal papillae? |
|
Definition
-found on palms and soles and form "fingerprints"
-part of papillary layer of dermis |
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Term
|
Definition
| deep to the dermis, but NOT considered a true layer |
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|
Term
| What are the functions of the hypodermis? (3) |
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Definition
1) stores fat (adipose tissue) for insulation and shock absorption
2) anchors skin to underlying bone & muscle
3) serves as pathway for blood vessels & nerves to reach upper skin levels |
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