Dermis Flashcards Preview

integumentary system > Dermis > Flashcards

Flashcards in Dermis Deck (27):
1

Projections of the papillary layer

Dermal papillae

2

What indents into the epidermis and creates a wavy border

Dermal Papillae

3

Function of the dermal papillae/ papillary layer

House pain receptors and touch receptors
House fingerprints
Contain capillary loops

4

Function of the capillary loops

Provide nutrients to the epidermis

5

Deepest skin layer

Reticular

6

What does the reticular layer contain?

Blood vessels
Sweat and oil glands
Deep pressure receptors

7

Deep pressure receptors

Lamellar corpuscles

8

What does the dermis contain?

Collagen and elastic fibers
Blood vessels

9

Give skin it's toughness

Collagen fibers

10

Give skin it's elasticity

Elastic fibers

11

What is the role of blood vessels in the dermis?

Body temperature regulation

12

Yellow brown or black pigments

Melanin

13

Orange-yellow pigment from some vegetables

Carotene

14

Red coloring from blood cells in dermal capillaries

Hemoglobin

15

What determines the extent of red coloring

Oxygen content

16

Blood has escaped from circulation and clotted in tissue spaces

Bruises

17

Tissues where blood clots

Hematoma

18

Liver disorder

Jaundice

19

Yellowing

Jaundice

20

Blanching or pale

Pallor

21

Due to emotional stress such as fear, anemia, low blood pressure, impaired blood flow to an area

Pallor

22

Erythema

Redness

23

Due to embarrassment, inflammation, hypertension, fever, or allergy

Redness/erythema

24

When hemoglobin is poorly oxygenated, blood and skin of Caucasians appears blue

Cyanosis

25

When is cyanosis common?

Heart failure or severe breathing disorders

26

Where is cyanosis in African Americans common

Mucous membranes and nail beds

27

Upper dermal region

Papillary