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1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

5. Integumentary System

The Epidermis: Cells

Anatomy & Physiology

5. Integumentary System

The Epidermis: Cells

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Multiple Choice

What is the most numerous cell type in the epidermis?

Langerhans cells

Merkel cells

Keratinocytes

Melanocytes

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Understand the structure of the epidermis, which is the outermost layer of the skin, composed of multiple cell types.

Identify the different cell types present in the epidermis: Keratinocytes, Melanocytes, Langerhans cells, and Merkel cells.

Recognize that Keratinocytes are the primary cell type in the epidermis, making up about 90% of the cells in this layer.

Learn the function of Keratinocytes, which is to produce keratin, a protein that provides strength and protection to the skin.

Compare the abundance of Keratinocytes with other cell types in the epidermis, noting that they are the most numerous compared to Melanocytes, Langerhans cells, and Merkel cells.