Table of contents

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

Which of the following cell types is not found in the epidermis?

Langerhans cells

Keratinocytes

Fibroblasts

Melanocytes

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Verified step by step guidance

Begin by understanding the structure of the epidermis, which is the outermost layer of the skin. It primarily consists of four types of cells: keratinocytes, melanocytes, Langerhans cells, and Merkel cells.

Keratinocytes are the most abundant cells in the epidermis, responsible for producing keratin, a protein that provides strength and waterproofing to the skin.

Melanocytes are found in the basal layer of the epidermis and are responsible for producing melanin, the pigment that gives skin its color.

Langerhans cells are part of the immune system and are found in the epidermis. They help protect the body by capturing and presenting antigens to T-cells.

Fibroblasts are not found in the epidermis; they are located in the dermis, the layer beneath the epidermis. Fibroblasts are responsible for producing collagen and other extracellular matrix components, which provide structural support to the skin.