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Integumentary System
Part I:
Skin and it’s Tissues
• Organ:1.
2.
• Functions
Introduction
Introduction• Epidermis
1. 2.
• Dermis1. 2. 3. 4.
• Subcutaneous layer (or hypodermis)1.
2.
3.
4. Loose connective and adipose tissue
5. Contains major blood vessels
Introduction
Epidermis
1.
2.
3. Stratum basalea.
b.
c. Cells can divide
Epidermis 4. Keratinization:
a.
b.
5. Stratum corneum:a.
b.
Epidermis6.
7. Thickness of epidermis variesa.
b.
8. Healthy skina.
Epidermis9. Calluses
a. b. c.
10. Cornsa. b.c.
11. Psoriasisa. b.
Epidermis12. Melanocytes
a.
b.
13. Melanina.
b.
c.
Epidermis14. Sunburn
a.
b.
15. Tanninga.
b.
c.
d.
Dermis1.
2.
3. These “undulations” cause fingerprints
Dermis4.
5. Componentsa.
b.
c.
d.
Dermis
• Tattoos
• Allergic contact dermatitis
• Irritant contact dermatitis
Skin Cancer1. 2. Cutaneous carcinomas
a. b. c. d.
3. Cutaneous melanomasa. b. c. d
