Identify:

Macroscopic

• Orientate yourself with respect to the thickness of the three layers.

Microscopic

• The layers of the scalp and the subcutaneous tissue

• Sweat glands

• The different layers of a hair follicle, and hair

• Sebaceous glands

• M. arrector pili

Draw and annotate:

A diagram showing the scalp with associated structures. Also draw a detailed diagram of a cross-section through a hair follicle.

1. How can one distinguish between scalp and thigh skin, and thick skin?
2. What is characteristic of tissue from the scalp?
3. Where do the sebaceous glands open?
4. Classify sebaceous glands.
5. What is characteristic of sebaceous glands?
6. What is characteristic of hair follicles?
7. What is characteristic of hair?
8. In which layers are hair follicles found?

• Fig 95-001
• Fig 95-002
• Fig 95-003
• Fig 95-004
• Fig 95-005
• Fig 95-006
• Scalp