The odontoid process is located on which vertebra?

Prepare for the Spinal Anatomy Exam III. Engage with diverse questions, hints, and in-depth explanations. Solidify your understanding of spinal anatomy concepts crucial for excelling in your exam.

Multiple Choice

The odontoid process is located on which vertebra?

Explanation:
The odontoid process, or dens, is a peg-like projection that arises from the body of the axis (the second cervical vertebra) and serves as the pivot for rotation between the atlas (C1) and axis (C2). Its position is on the anterior aspect of C2, projecting upward to fit into the anterior arch of C1 to form the atlanto-axial joint. This arrangement allows the head to rotate. It is not located on the atlas itself, not posterior to C1, not superior to C3, and not within the vertebral foramen of C4.

The odontoid process, or dens, is a peg-like projection that arises from the body of the axis (the second cervical vertebra) and serves as the pivot for rotation between the atlas (C1) and axis (C2). Its position is on the anterior aspect of C2, projecting upward to fit into the anterior arch of C1 to form the atlanto-axial joint. This arrangement allows the head to rotate. It is not located on the atlas itself, not posterior to C1, not superior to C3, and not within the vertebral foramen of C4.

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