Practical Anatomy
Dental students
LAB 1
Dr. Firas M. Ghazi
Cervical vertebra
Objectives
By the end of this lab students are expected to be able to
1. Identify and Compare the structure of typical and atypical cervical vertebra
2. Discuss the difference in the course of the vertebral vessels
3. Recognize the relation between vertebral artery and atlas vertebra
A- Cervical vertebra
 Typical cervical vertebra
1. Body
2. Spines
3. Pedicles
4. Laminae
5. Vertebral foramen
6. Superior and inferior articular processes
7. Foramen transversarium
 Atypical cervical vertebra
 1st Cervical vertebra (atlas)
1. anterior and posterior arches
2. lateral mass on both sides with upper and lower articular surfaces
 no body or spine
 2nd Cervical vertebra (axis)
1. Odontoid process (dens)
 7th Cervical vertebra (prominens)
1. Spinous process longest, not bifid.
2. Transverse process large
3. Foramen transversarium is small
 Clinical correlate
Movements of the head and neck (while on the dentist chair) may affect the flow of blood
through the vertebral artery and cause temporary fainting or unconsciousness.
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Practical Anatomy
Dental students
LAB 1
Dr. Firas M. Ghazi
Homework 1:
Explain the relation between movements of the head and fainting
Homework 2:
1.
2.
3.
4.
5.
6.
QUESTION
Name the structure labeled A.
Name the structure labeled B.
Name the structure labeled C.
Name the structure labeled D.
Name the structure labeled E.
What structure take the course of the red line
WRITE YOUR ANSWER HERE
Case 1.2
Case 1.2
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