Integumentary System

Question 1

Integumentary System - Skin (Cutaneous Membrane)

Answer 1

1. Epidermis
2. Dermis

Question 2

Epidermis

Answer 2

1. Stratum Basale
2. Stratum Spinosum
3. Stratum Granulosum
4. Stratum Lucidum (thick skin)
5. Stratum Corneum

Question 3

Stratum Basale

Answer 3

• The deepest epidermal layer

Question 4

Stratum Spinosum

Answer 4

• Web-like system of intermediate filaments (Several layers thick)

Question 5

Stratum Granulosum

Answer 5

• thin 4 to 6 cell layers in which keratinocyte appearance changes drastically

Question 6

Stratum Lucidum

Answer 6

• Only in thick skin

Question 7

Stratum Corneum

Answer 7

• outermost epidermal layer
• 20 to 30 cell layers thick

Question 8

Dermis

Answer 8

1. Dermal papilla
2. Meissner’s Corpuscle
3. Pacinian Corpuscle
4. Sudoriferous glands
5. Sebaceous glands
6. Hair follicle
7. Arrector pili muscle
8. Blood vessels

Question 9

Dermal Papilla

Answer 9

Question 10

Meissner’s Corpuscle

Answer 10

• Light touch
• Helium balloons w/ black tails

Question 11

Pacinian Corpuscle

Answer 11

• Pressure touch

Question 12

Sudoriferous Glands (Eccrine)

Answer 12

• Sweat glands

Question 13

Sebaceous glands

Answer 13

• oil glands

Question 14

Hair follicle

Answer 14

Question 15

Arrector pili muscle

Answer 15

• smooth muscle, involuntary (goosebumps)

Question 16

Blood vessels

Answer 16

Question 17

Hypodermis - subcutaneous tissue

Answer 17