Chapter 6 Vocab

Question 1

Integumentary system

Answer 1

Skin, hair, nails, and cutaneous glands

Question 2

Dermatology

Answer 2

Scientific study and medical treatment of integumentary system

Question 3

Skin

Answer 3

Body’s largest and heaviest organ

Question 4

Thick skin

Answer 4

Covers palms, soles, and corresponding surfaces on fingers and toes

Question 5

Thin skin

Answer 5

Covers rest of body and contains thin stratum corneum

Question 6

Functions of skin

Answer 6

Resistance to trauma and infection
Other barrier functions
Vitamin D synthesis
Sensation
Thermoregulation
Nonverbal communication

Question 7

Keratin

Answer 7

Tough protein that packs epidermal cells

Question 8

Epidermis

Answer 8

Keratinized stratified squamous epithelium

Question 9

Cells of epidermis

Answer 9

Stem cells
Keratinocytes
Melanocytes
Tactile cells (merkle)
Dendrite cells (langerhans)

Question 10

Integument

Answer 10

Skin

Question 11

Layers of epidermis

Answer 11

Stratum basale 
Stratum spinosum 
Stratum granulosum
Stratum lucidum 
Stratum corneum

Question 12

Membrane-coating vesicles

Answer 12

Lipid-filled vesicles that are pushed up by dividing cells below

Question 13

Epidermal water barrier

Answer 13

Important in retention of body warrior

Question 14

Exfoliate

Answer 14

Flake off

Question 15

Dander

Answer 15

Tiny flakes of epidermis

Question 16

Dermis

Answer 16

Connective tissue layer below epidermis

Question 17

Dermal papillae

Answer 17

Downward wavelike extensions of epidermis

Question 18

Epidermal ridges

Answer 18

Downward extensions of epidermis

Question 19

Papillary layer

Answer 19

Thin zone of areolar tissue in and near dermal papillae