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Anatomy & Physiology Exam 1
The Integument System: Dermis
10
Anatomy
Undergraduate 2
02/16/2010

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Cards

Term
Where is the dermis?
Definition
Innermost layer of the skin
Term
what tissue is the dermis made of?
Definition

connective tissue

 

-areolar (papillary)

-dense irregular connective tissue (reticular)

Term
What does the dermis contain? (5)
Definition

-blood vessels

-nerve endings

-hair follicles

-glands

-smooth muscle

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

 

Term

How much of dermis is the reticular layer?

what tissue is it made out of?

 

Definition

80%

 

-made of dense irregular connective tissue

Term
what layer of dermis is made of large bundles of collagen and elastin?
Definition
reticular layer
Term
what does the papillary layer of dermis specifically contain?
Definition

-collagen and elastin (part of areolar tissue)

-dermal papillae

Term
what are dermal papillae?
Definition

-found on palms and soles and form "fingerprints"

-part of papillary layer of dermis

Term
Where is the hypodermis?
Definition
deep to the dermis, but NOT considered a true layer
Term
What are the functions of the hypodermis? (3)
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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