Anatomy · Skull, Meninges and Cranial Cavity

Which of the following structures passes through the foramen magnum?

  • A Vestibulocochlear nerve
  • B Facial nerve
  • C Hypoglossal nerve
  • D Spinal root of the accessory nerve
Correct answer: D. Spinal root of the accessory nerve

Explanation

The foramen magnum transmits the lower end of the medulla, the vertebral arteries, the anterior and posterior spinal arteries, the tectorial membrane and alar ligaments, and the spinal root of the accessory nerve ascending from the cervical cord. The hypoglossal nerve leaves through its own canal above the occipital condyle, while the facial and vestibulocochlear nerves enter the internal acoustic meatus in the petrous temporal bone.

Reference: Gray's Anatomy for Students, 4th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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