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

Hair

Anatomy & Physiology

5. Integumentary System

Hair

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3:02 minutes

Problem 8

Textbook Question

The accessory structures of the integument include the
(a) Blood vessels, glands, muscles, and nerves
(b) Tactile discs, lamellar corpuscles, and tactile corpuscles
(c) Hair, skin, and nails
(d) Hair follicles, nails, sebaceous glands, and sweat glands

Verified step by step guidance

Understand the term 'accessory structures of the integument,' which refers to structures that are associated with the skin but are not part of the epidermis or dermis itself.

Review the major accessory structures of the integument system, which include hair follicles, nails, sebaceous glands, and sweat glands. These structures play roles in protection, sensation, and thermoregulation.

Eliminate options that include structures not directly classified as accessory structures of the integument. For example, blood vessels, muscles, and nerves (option a) are part of the dermis but not accessory structures.

Consider sensory structures like tactile discs, lamellar corpuscles, and tactile corpuscles (option b). While they are involved in sensation, they are not classified as accessory structures of the integument.

Select the option that correctly lists accessory structures of the integument, which are hair follicles, nails, sebaceous glands, and sweat glands (option d).

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Integumentary System

The integumentary system is the body's largest organ system, comprising the skin and its accessory structures. It serves multiple functions, including protection, regulation of body temperature, and sensory perception. Understanding this system is crucial for identifying its components and their roles in maintaining homeostasis.

Accessory Structures

Accessory structures of the integument include components such as hair follicles, nails, and glands (sebaceous and sweat). These structures play vital roles in thermoregulation, protection, and sensation. Recognizing these structures helps in understanding how the integumentary system functions as a whole.

Skin Layers

The skin consists of multiple layers, primarily the epidermis, dermis, and hypodermis. Each layer has distinct functions and houses various accessory structures. A clear understanding of these layers is essential for comprehending how the integumentary system operates and how its accessory structures are integrated.