1. 3 Membranes and the Integumentary System
Lesson 3.1: Body Membranes Lesson 3.2: The Integumentary System Lesson 3.3: Injuries and Disorders of the Skin

2. Chapter 3: Membranes and the Integumentary System
Lesson 3.1
Body Membranes

3. Connective Tissue Membranes
Body Membranes
Epithelial Membranes
Mucous membranes
Serous membranes
Cutaneous membranes
Connective Tissue Membranes
Synovial membranes

4. Epithelial Membranes Mucous Membranes Serous Membranes
Line cavities open to the environment
Serous Membranes
Line cavities not open to environment
Cutaneous Membranes
Form what we know as skin

5. Mucous Membranes and Serous Membranes

6. Connective Tissue Membranes
Synovial Membrane
Capsule around synovial joint
Tendon sheath
Synovial fluid

7. The Integumentary System
Chapter 3: Membranes and the Integumentary System
Lesson 3.2
The Integumentary System

8. The Integumentary System
Functions of the integumentary system
Anatomy of the skin
Appendages of the skin

9. Functions of the Integumentary System
Protects against:
Abrasion
Chemical damage
Drying out
UV radiation damage
Regulates body temperature

10. Functions of the Integumentary System

11. Anatomy of the Skin
Epidermis
Dermis
Hypodermis

12. Layers of the Epidermis

13. Epidermal dendritic cells
Epidermal Cells
Keratinocytes
Produce keratin, form layers of epidermis
Epidermal dendritic cells
Ward off infections
Merkel cells
Touch receptors

14. Dense, fibrous connective tissue Papillary layer
Dermis
Dense, fibrous connective tissue
Papillary layer
Forms fingerprints
Reticular layer

15. Fibrous connective tissue Adipose tissue
Hypodermis
Fibrous connective tissue
Adipose tissue
Padding
Insulation
Energy storage

16. Appendages of the Skin Sudoriferous (sweat) Glands Sebaceous glands
Eccrine
Apocrine
Sebaceous glands
Hair
Nails

17. Injuries and Disorders of the Skin
Chapter 3: Membranes and the Integumentary System
Lesson 3.3
Injuries and Disorders of the Skin

18. Injuries and Disorders of the Skin
Injuries of the skin
Infections of the skin and membranes
Inflammatory conditions of the skin and membranes
Cancers of the skin

19. Injuries of the Skin Decubitus ulcers Burns Bedsores
Caused by restricted blood supply
Burns
First-, Second- or Third-degree
Caused by heat, chemicals, electricity or UV radiation
Rule of nines
Suzanne Tucker/Shutterstock.com, JTeffects/Shutterstock.com, Naiyyer/Shutterstock.com

20. Infections of the Skin and Membranes
Viral infections
Herpes varicella
Herpes zoster
Herpes simplex virus type 1 or type 2
Human papillomavirus
warts
Maksym Bondarchuk/Shutterstock.com

21. Infections of the Skin and Membranes
Fungal infections
Athlete’s foot
Jock itch
Ringworm
Toenail fungus
Bacterial infections
Impetigo
Cellulitis

22. Inflammatory Conditions of the Skin and Membranes
Pleurisy
Makes smooth surface of pleura rough
Peritonitis
Infection of peritoneum
Psoriasis
Involves redness and irritation
Kenxro/Shutterstock.com

23. Squamous cell carcinoma Malignant melanoma
Cancers of the Skin
Basal cell carcinoma
Squamous cell carcinoma
Malignant melanoma
ABCD rule
Librakv/Shutterstock.com

24. Review and Assessment True or False?
1. Herpes zoster causes decubitus ulcers.
2. Peritonitis is an infection of the skin.
3. Impetigo is caused by a fungus.
4. Warts are caused by a virus.
5. Ringworm is caused by a fungus.