VAT : The Integumentary System

How many membranes of the body?

3

What are the membranes of the body?

1. Cutaneous Membrane

2. Serous Membrane

3. Mucous Membrane

Cutaneous Membrane

Skin = Largest organ

How many layers are in the cutaneous membrane?

3

What are the layers of the cutaneous membrane?

1. Epidermis

2. Dermis

3. Hypodermis/Subcutaneous

Epidermis

Consist of tough outer layers, nerve endings, and small capillaries that provide a protective barrier and help regulate moisture.

Dermis

Consist of sweat glands, sebaceous glands, hair follicles, arrector pili muscles, nerves, and capillaries 

Hypodermis/Subcutaneous

Primarily composed of adipose tissue. Also contains blood vessels, lymph vessels, and nerves

Cutaneous membrane performs many functions

1. Physical protection

2. Immunity

3. Flexibility for motion

4. Temperature regulation

5. Sensory perception

6. Vitamin S synthesis

7. Storage

8. Secretion

9. Indicator of health