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Understanding Cranial Nerves in Depth

Explore the functions and pathways of glossopharyngeal, vagus, spinal accessory, and hypoglossal nerves. Learn about their sensory and motor roles, branches, and associated muscles. Enhance your knowledge with clinical cases.

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Understanding Cranial Nerves in Depth

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  1. Cranial NervesLecture 6

  2. Cranial Nerves Bear, M.F., Connors, B.W., & Paradiso, M.A., 2007, Neuroscience: Exploring the brain, Lippincott Williams and Wilkins, pg. 232.

  3. Cranial Nerves Bear, M.F., Connors, B.W., & Paradiso, M.A., 2007, Neuroscience: Exploring the brain, Lippincott Williams and Wilkins, pg. 232.

  4. Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc. Glossopharyngeal (CN IX) • Sensory and motor • 2 branches: • Superior ganglia • Inferior ganglia

  5. Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc. Glossopharyngeal (CN IX) • Taste: posterior 1/3 of tongue • Pharynx • Gag sensation

  6. Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc. Glossopharyngeal (CN IX) • Stylopharyngeous muscle • Elevates pharynx and larynx

  7. Cranial Nerves Bear, M.F., Connors, B.W., & Paradiso, M.A., 2007, Neuroscience: Exploring the brain, Lippincott Williams and Wilkins, pg. 232.

  8. Vagus (CN X) • Sensory and motor • 3 branches: • Pharyngeal • Superior laryngeal • Recurrent laryngeal Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc.

  9. Vagus (CN X) • Pharyngeal • Pharynx • Soft palate • Superior laryngeal • Larynx Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc.

  10. Vagus (CN X) • Pharyngeal • Pharynx • Soft palate • Gag • Superior laryngeal • Pharyngeal constrictor • Larynx • Recurrent laryngeal • Larynx Blumenfeld, H., 2002, Neuroanatomy through Clinical Cases, Sinauer, Inc.

  11. Cranial Nerves Bear, M.F., Connors, B.W., & Paradiso, M.A., 2007, Neuroscience: Exploring the brain, Lippincott Williams and Wilkins, pg. 232.

  12. Spinal Accessory (CN XI) • MOTOR ONLY • Cranial* and Spinal portions • Neck (sternocleidomastoid) http://medical-dictionary.thefreedictionary.com/spinal+accessory

  13. Cranial Nerves Bear, M.F., Connors, B.W., & Paradiso, M.A., 2007, Neuroscience: Exploring the brain, Lippincott Williams and Wilkins, pg. 232.

  14. Hypoglossal (CN XII) • MOTOR ONLY • Tongue • Neck http://medical-dictionary.thefreedictionary.com/CN+XII

  15. Name the cranial nerves http://vanat.cvm.umn.edu/CrNAnimQuiz/

  16. UMN & LMN Upper motor neuron: from motor cortex to lower motor neuron Lower motor neuron: from upper motor neuron to muscle

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