Quiz 2 - Dermis Flashcards Preview

Anatomy > Quiz 2 - Dermis > Flashcards

Flashcards in Quiz 2 - Dermis Deck (15):
1

Dermis

contains strong, flexible connective tissue, contains.... nerve fibers, blood vessels, lymphatic vessels, hair follicles, oil & sweet glands

2

layers of the dermis

1) papillary layer
2) reticular layer

3

papillary layer

thin layer of areoler tissue, contains...
- dermal papillae

4

dermal papillae

projections containing capillary loops, touch receptors, and free nerve endings (create finger tips)

5

reticular layer

~80% of skins thickness, dense irregular connective tissue along with... collagen fibers and elastin fibers

6

collagen fibers

adds strength, resist deformation

7

elastin fibers

stretch, recoil properties

8

hypodermis

(subcutaneous layer) - deep to dermis, composed of adipose and other loose connective tissue, anchors skin to body (ex: muscles)

9

disruptions of skin

stretch marks and blisters

10

stretch marks

tearing of dermis due to extreme stretching of skin

11

blisters

seperation of epidermis and dermis by fluid-filled pocket

12

3 skin color pigments

melanin, carotene and hemoglobin

13

melanin

yellow-brown and black pigment

14

carotene

yellow to orange pigment found in some plants
- accumulates in stratum corneum and hypodermis fat

15

hemoglobin

reddish pigment in oxygenated RBC's circulating in dermal capillaries