What structure is present on the second cervical vertebra (C2 or axis) that allows you to rotate your neck to say "no?"
A) posterior tubercle
B) dens (odontoid process)
C) body
D) transverse ligament

Question

Quizplus · Accepted Answer

The dens, or odontoid process, is a bony projection on the axis (C2) that acts as a pivot point, allowing the atlas (C1) and the skull to rotate around it, enabling the head to turn side to side.

What Structure Is Present on the Second Cervical Vertebra (C2