Dermatology

Table of Contents

1. Core Concepts of Pediatric Dermatology
2. Functions of the skin
3. Anatomy of the Skin
4. Principles of Diagnosis
5. Newborn Rashes
6. Birthmarks
7. Inflammation of the skin
8. Acne
9. Pityriasis rosea
10. Acanthosis nigricans
11. Melanomas
12. Hairloss
13. Genodermatoses
14. Red spots
15. Infections
16. Physical abuse
17. Malnutrition
18. Glossary

Functions of the skin

The skin has numerous functions:

• physical barrier through the stratum corneum
• barrier to light through melanocytes
• immunologic barrier through B and T lymphocytes in addition to Langerhans cells
• temperature regulation through the blood vessels and eccrine sweat glands found in the dermis
• sensory receptor by both free nerve endings and more complicated receptors that are corpuscular

Without the sensation of touch, temperature and pain, life would be less interesting and definitely more hazardous. For example, the reason people with leprosy lose fingers and noses is due to decreased sensation.