STRUCTURE OF DERMIS

Question 1

What are the two layers of the dermis?

Answer 1

1. Papillary layer
2. Reticular layer

Question 2

Is the papillary layer superficial or deep?

Answer 2

Superficial

Question 3

Is the reticular layer superficial or deep?

Answer 3

Deep

Question 4

Is the papillary layer of the dermis thin or thick?

Answer 4

Thin layer

Question 5

What kind of connective tissue is the papillary layer of the dermis?

Answer 5

Areolar connective tissue

Question 6

Connection between dermal papillae and epidermis:

Answer 6

Dermal papillae increase area of contact with epidermis

Question 7

What does the papillary layer of the dermis contain?

Answer 7

Nerve endings (touch, temperature, pain)

Question 8

Is the reticular layer of the dermis thin or thick?

Answer 8

Thick layer

Question 9

What kind of connective tissue is the reticular layer of the dermis?

Answer 9

Dense, irregular connective tissue

Question 10

What kind of fibers does the reticular layer of the dermis have?

Answer 10

Many elastic fibers

Question 11

What does the reticular layer of the dermis provide?

Answer 11

Provides extensibility and elasticity to skin

Question 12

What are lines of cleavage?

Answer 12

Where collagen fiber bundles align along lines of tension

Question 13

What are lines of cleavage clinically significant?

Answer 13

Cut parallel to line of cleavage will close
Cut perpendicular will remain open

Question 14

True or False: Collagen fiber bundles in dermis align differently in different regions of body

Answer 14

True