Neck

Question 1

1. Anterior arch of atlas vertebrae, contains?
2. Posterior arch of atlas vertebrae contains?

Answer 1

1. Dental fovea for dens of axis
2. Groove for vertebral artery

Question 2

1. Atypical vertebrae features?

Answer 2

Atlas (C1)
No spinous processes
No body
Only anterior arch (dental fovea) and posterior arch (groove for vertebral artery)
Large vertebral foramina compared to others (bcz spinal cord is large when it first exits the brain.

Axis (C2)
Odontoid process or dens

C7
Vertebral prominence (single spinal process (not bifid))
Most prominent than other