Vertebral Column and Thoracic Cage

Part A

Complete the following statements:

1. The vertebral column encloses and protects the_.

2. The number of separate bones in the vertebral column of an adult is_.

3. The spinous process of the seventh cervical vertebra is called the_and is an obvious surface feature that can be palpated.

4. The_of the vertebrae support the weight of the head and trunk.

5. The_separate adjacent vertebrae, and they soften the forces created by walking.

6. The pedicles, laminae, and_of a vertebra form the vertebral arch.

7. The intervertebral foramina provide passageways for_.

8. Transverse foramina of cervical vertebrae serve as passageways for_leading to the brain.

9. The first vertebra also is called the_.

10. When the head is moved from side to side, the first vertebra pivots around the_of the second vertebra.

11. The_vertebrae have the largest and strongest bodies.

12. The number of vertebrae that fuse to form the sacrum is_.

13. The joint between a coxal bone of the pelvis and the sacrum is called the_joint.

14. The upper, anterior margin of the sacrum that projects forward is called the_.

15. An opening called the_exists at the tip of the sacral canal.

Part B

Based on your observations, compare typical cervical, thoracic, and lumbar vertebrae in relation to the characteristics indicated in the table.

Vertebra

Number

Size

Body

Spinous Process

Transverse Foramina

Cervical

Thoracic

Lumbar

Complete the following statements:

1. The adult skeleton of most men and women contains a total number of_bones.

2. The last two pairs of ribs that have no cartilaginous attachments to the sternum are sometimes called _ribs.

3. The tubercles of the ribs articulate with the_processes of the thoracic vertebrae.

4. Costal cartilages are composed of_tissue.

5. The manubrium articulates with the_on its superior border.

6. List three general functions of the thoracic cage. _

Part D

Identify the bones and features indicated in the radiograph (X ray) of the neck in figure 14.7.

Figure 14.7 Identify the bones and features indicated in this radiograph (X ray) of the neck (lateral view).

Figure 14.7 Identify the bones and features indicated in this radiograph (X ray) of the neck (lateral view).

Lateral Manubrium Xray Features The Heart And Thoracic Cage
Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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Responses

  • Neftalem
    Which of the following statements is NOT true of the cervical vertebra?
    4 years ago
  • dodinas
    Which of the following is not true of a thoracic vertebra?
    4 years ago
  • BERND ACKERMANN
    When the head is moved from side to side the first vertebra pivots around the?
    3 years ago

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