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spinal accessory nerve (CN XI)

Somatic motor function. Efferents: CN 11 innervates: 1) sternocleidomastoid 2) trapezius Course: - the nucleus for CN 11 actually lies in the spinal cord - the nerve exits laterally, travels superiorly through the foramen magnum, touches the vagus & exits via the jugular foramen

Related

accessory nucleus jugular foramen sternocleidomastoid trapezius (cowl muscle)

General

cranial nerve

References

  1. Clinical Anatomy Made Ridiculously Simple. Stephen Goldberg, MedMaster Inc, Miami, 1995
  2. Medical Knowledge Self Assessment Program (MKSAP) 11, American College of Physicians, Philadelphia 1998

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