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

Introduction to the Integumentary System

Anatomy & Physiology

5. Integumentary System

Introduction to the Integumentary System

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Multiple Choice

Which dermal sensory structures are responsible for sensing deep pressure in the skin?

Merkel cells

Free nerve endings

Meissner's corpuscles

Pacinian corpuscles

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Verified step by step guidance

Understand the function of dermal sensory structures: Dermal sensory structures are specialized receptors in the skin that detect various stimuli, such as pressure, temperature, and pain. Each type of receptor is adapted to sense specific stimuli.

Review the role of Pacinian corpuscles: Pacinian corpuscles are large, onion-shaped sensory structures located deep in the dermis and subcutaneous tissue. They are specifically designed to detect deep pressure and vibration due to their layered structure.

Differentiate Pacinian corpuscles from other sensory structures: Compare Pacinian corpuscles with other receptors like Merkel cells (responsible for light touch), free nerve endings (responsible for pain and temperature), and Meissner's corpuscles (responsible for light touch and texture). This helps clarify why Pacinian corpuscles are suited for sensing deep pressure.

Locate Pacinian corpuscles in the skin: Pacinian corpuscles are found deeper in the dermis or hypodermis, which aligns with their function of detecting deep pressure rather than surface-level stimuli.

Conclude why Pacinian corpuscles are the correct answer: Based on their structure, location, and function, Pacinian corpuscles are the sensory structures responsible for sensing deep pressure in the skin.