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: Layers

Anatomy & Physiology

5. Integumentary System

The Epidermis: Layers

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Multiple Choice

Which layer of the epidermis is primarily responsible for the formation of fingerprints?

Stratum granulosum

Stratum corneum

Stratum basale

Stratum lucidum

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Verified step by step guidance

Understand that fingerprints are formed by the interaction between the dermis and the epidermis, specifically due to the dermal papillae pushing into the epidermis.

Recognize that the Stratum basale is the deepest layer of the epidermis and is directly adjacent to the dermis, making it the layer responsible for the formation of fingerprints.

Learn that the Stratum basale contains basal cells (stem cells) that divide and produce new keratinocytes, and it is also where the ridges that form fingerprints originate.

Differentiate the Stratum basale from other layers of the epidermis, such as the Stratum corneum (outermost layer), Stratum granulosum (middle layer), and Stratum lucidum (found only in thick skin like palms and soles). These layers do not contribute to fingerprint formation.

Conclude that the Stratum basale's interaction with the dermal papillae is the key anatomical feature responsible for the unique patterns of fingerprints.