1. Skin Appendages

2. Skin Appendages Hair Nails Glands

3. 1. Hair Complete body EXCEPT – Lips – Nipples – Palms – Soles of feet

4. Hair Shaft = seen above skin Follicle = surrounds hair below surface in epidermis

5. Hair Mitosis for hair formation (cells mostly keratin) – Overlap like shingles – Unravel layers = split ends

6. Hair

7. Split Ends

8. Hair Melanocytes - hair color – Melanin with iron = Red hair – Lack of melanin = gray or white hair

9. Shape of Shaft Round = Straight hair Oval = Wavy hair Flat = Curly hair

10. Hair Papilla – supplies blood supply Alopecia = loss of hair – Genetics

11. 2. Finger Nails Keratinized cells Densely-packed Lunule = Crescent- shaped area of nail – cell growth below lunula

12. Finger Nails

13. Sweat Glands Sudoriferous glands Dermal layer Salts and wastes Regulate body temp

14. Sebaceous Glands Oil glands Dermal layer FX – Keeps hair and skin soft – Prevents water loss