Anatomy of the Atlas Bone

Which of the following structures is removed during a laminectomy?

Lamina

Which vertebra is characterized by the presence of a foramen transversarium?

Cervical vertebra

What is the primary function of the foramen transversarium?

To facilitate the passage of the vertebral artery and associated veins

Which of the following vertebrae is NOT a typical vertebra?

Atlas Signup and view all the answers

What is the region of the vertebral column from which the vertebra with the foramen transversarium originates?

Cervical region Signup and view all the answers

What is the function of the articular facet for dens in the atlas?

To articulate with the dens of the axis Signup and view all the answers

What is the function of the transverse process in a vertebra?

To provide attachment site for muscles and ligaments Signup and view all the answers

Which of the following structures is NOT a component of the intervertebral joint?

Ligamentum flavum Signup and view all the answers

What is the main function of the anterior sacral foramina?

To allow for the passage of spinal nerves Signup and view all the answers

From which region of the vertebral column is the vertebra shown in Figure 2?

Thoracic region Signup and view all the answers

Which of the following regions of the vertebral column is characterized by the presence of a sacrum?

Pelvic region Signup and view all the answers

What is the function of the superior articular facet on a vertebra?

To articulate with the vertebral body above Signup and view all the answers

What is the primary function of the zygapophysial joint?

To provide stability to the vertebral column Signup and view all the answers

What ligament connects the dens of the axis to the anterior arch of the atlas?

Apical ligament of the dens Signup and view all the answers

What is the clinical significance of the intervertebral foramen?

It provides a pathway for spinal nerves and vessels Signup and view all the answers

What is the name of the bony projection on the axis that forms a pivot joint with the anterior arch of the atlas?

Dens Signup and view all the answers

Which of the following is NOT a ligament that connects the atlas to the axis?

Inferior longitudinal band of the cruciform ligament Signup and view all the answers

What is the clinical significance of osteoporosis in relation to the vertebral column?

It can result in collapse of the vertebral body Signup and view all the answers