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Head and Neck
Anatomy
Cranial Nerves
CNIX (Glossopharyngeal Nerve)
CNIX (Glossopharyngeal Nerve)
Aparna Singhal, MD; H. Ric Harnsberger, MD
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TERMINOLOGY

  • Abbreviations

    • Glossopharyngeal nerve (CN9, CNIX)

  • Synonyms

    • 9th cranial nerve

  • Definitions

    • Mixed nerve with complex functions
      • Taste & sensation to posterior 1/3 of tongue
      • Sensory nerve to middle ear & pharynx
      • Parasympathetic to parotid gland
      • Motor to stylopharyngeus muscle
      • Viscerosensory to carotid body & sinus

IMAGING ANATOMY

  • Overview

    • Intraaxial Segment

      • Cisternal Segment

        • Skull Base Segment

          • Extracranial Segment

            • Extracranial Branches

              ANATOMY IMAGING ISSUES

              • Imaging Recommendations

                • Imaging Sweet Spots

                  • Imaging Pitfalls

                    CLINICAL IMPLICATIONS

                    • Clinical Importance

                      Related Anatomy
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                      Related Differential Diagnoses
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                      References
                      Tables

                      Tables

                      TERMINOLOGY

                      • Abbreviations

                        • Glossopharyngeal nerve (CN9, CNIX)

                      • Synonyms

                        • 9th cranial nerve

                      • Definitions

                        • Mixed nerve with complex functions
                          • Taste & sensation to posterior 1/3 of tongue
                          • Sensory nerve to middle ear & pharynx
                          • Parasympathetic to parotid gland
                          • Motor to stylopharyngeus muscle
                          • Viscerosensory to carotid body & sinus

                      IMAGING ANATOMY

                      • Overview

                        • Intraaxial Segment

                          • Cisternal Segment

                            • Skull Base Segment

                              • Extracranial Segment

                                • Extracranial Branches

                                  ANATOMY IMAGING ISSUES

                                  • Imaging Recommendations

                                    • Imaging Sweet Spots

                                      • Imaging Pitfalls

                                        CLINICAL IMPLICATIONS

                                        • Clinical Importance