The structure that furnishes the axis for the rotation of the head from side to side is the:
A) dens.
B) spinous process.
C) vertebral foramen.
D) transverse process.

Question

Quizplus · Accepted Answer

The dens, or odontoid process, is a protrusion from the second cervical vertebra (C2) that projects into the vertebral foramen of the first cervical vertebra (C1). This structure provides the axis for rotation of the head from side to side.

The Structure That Furnishes the Axis for the Rotation of the Head