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

8. Joints

Introduction to Joints

Anatomy & Physiology

8. Joints

Introduction to Joints

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3:25 minutes

Problem 7

Textbook Question

Which parts of the thoracic vertebrae articulate with the ribs?

Verified step by step guidance

Step 1: Understand the anatomy of the thoracic vertebrae. The thoracic vertebrae are unique because they have specific features that allow them to articulate with the ribs. These features include facets and demifacets.

Step 2: Learn about the costovertebral joints. The ribs articulate with the thoracic vertebrae at two main points: the body of the vertebra (via the superior and inferior costal facets or demifacets) and the transverse process (via the transverse costal facet).

Step 3: Identify the superior and inferior costal facets (or demifacets). These are located on the sides of the vertebral body and serve as articulation points for the head of the rib.

Step 4: Recognize the transverse costal facet. This is located on the transverse process of the thoracic vertebrae and serves as the articulation point for the tubercle of the rib.

Step 5: Review the options provided in the question and match them to the anatomical features described above. Look for terms that correspond to the superior costal facet, inferior costal facet, and transverse costal facet.

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Key Concepts

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

Thoracic Vertebrae Anatomy

The thoracic vertebrae consist of twelve vertebrae (T1 to T12) located in the middle segment of the vertebral column. Each thoracic vertebra has specific features, including facets that allow for articulation with the ribs. Understanding the anatomy of these vertebrae is crucial for identifying which parts connect with the ribs.

Costovertebral Joints

Costovertebral joints are the connections between the thoracic vertebrae and the ribs. Each rib articulates with the corresponding vertebra at two points: the head of the rib connects with the body of the vertebra, while the tubercle of the rib articulates with the transverse process. This joint structure is essential for the movement and stability of the rib cage during respiration.

Rib Classification

Ribs are classified into three categories: true ribs (1-7), false ribs (8-10), and floating ribs (11-12). True ribs directly connect to the sternum, while false ribs connect indirectly, and floating ribs do not connect to the sternum at all. Understanding this classification helps in identifying which ribs articulate with specific thoracic vertebrae.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Cartilaginous joints are synarthroses.

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Textbook Question

Which of the following correctly describes the function of a ligament?

a. It connects a muscle to its attachment point, such as a bone.

b. It is a fluid-filled structure that minimizes friction during movement.

c. It connects two bones to each other in a joint.

d. It surrounds a tendon and protects it in high-stress areas.

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Textbook Question

When articular cartilage is damaged, often fibrocartilage forms instead of new hyaline cartilage. Does fibrocartilage have the same properties as hyaline cartilage? Is it likely to provide the same type of surface as hyaline cartilage? Explain. (Connects to Chapter 4)

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Textbook Question

Which humeral process articulates with the radius?

a. Trochlea

b. Greater tubercle

c. Lesser tubercle

d. Capitulum

e. Olecranon fossa

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Textbook Question