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

What are the cone-shaped projections of the dermis that extend up between epidermal ridges called?

Arrector pili muscles

Dermal papillae

Sebaceous glands

Meissner's corpuscles

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Verified step by step guidance

Understand the structure of the skin: The skin is composed of two main layers, the epidermis (outer layer) and the dermis (inner layer). The dermis contains various structures such as blood vessels, nerve endings, and connective tissue.

Learn about the dermal papillae: Dermal papillae are cone-shaped projections of the dermis that extend upward into the epidermis. They are responsible for creating the ridges seen on the surface of the skin, such as fingerprints.

Differentiate dermal papillae from other structures: Arrector pili muscles are small muscles attached to hair follicles that cause hair to stand up (goosebumps). Sebaceous glands produce sebum (oil) to lubricate the skin and hair. Meissner's corpuscles are sensory receptors in the dermis responsible for detecting light touch.

Recognize the function of dermal papillae: Dermal papillae increase the surface area for the exchange of nutrients and waste between the epidermis and dermis. They also contribute to the strength of the connection between these layers.

Confirm the correct answer: Based on the description provided, the cone-shaped projections of the dermis that extend up between epidermal ridges are called dermal papillae.