Pterygoid Canal Anatomy Quiz
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Questions and Answers

What structures enter and branch within the pterygopalatine fossa?

  • Maxillary nerve [V2] and terminal part of the maxillary artery (correct)
  • Mandibular nerve [V3] and external carotid artery
  • Ophthalmic nerve [V1] and internal carotid artery
  • Facial nerve [VII] and middle meningeal artery

    • Where does the pterygoid canal open into the middle cranial fossa?

  • Inferior to the foramen lacerum
  • Superior to the internal carotid artery
  • Just anteroinferior to the internal carotid artery (correct)
  • Posterior to the maxillary artery

    • What type of fibers does the nerve of the pterygoid canal carry?

  • Preganglionic parasympathetic fibers and postganglionic sympathetic fibers (correct)
  • Somatic motor fibers and autonomic sensory fibers
  • Preganglionic sympathetic fibers and postganglionic parasympathetic fibers
  • Visceral afferent fibers and special visceral efferent fibers

    • Where does the pterygoid canal open onto?

    <p>The posterior surface of the pterygoid process</p> Signup and view all the answers

    Through which canal does the vessel enter the cranial cavity?

    <p>Carotid canal</p> Signup and view all the answers

    Which aperture in the pterygopalatine fossa leads to the nasopharynx?

    <p>Palatovaginal canal</p> Signup and view all the answers

    What structure communicates with the middle cranial fossa and opens onto the posterior wall of the pterygopalatine fossa?

    <p>Foramen rotundum</p> Signup and view all the answers

    Which aperture in the pterygopalatine fossa opens onto the lateral wall of the nasal cavity?

    <p>Sphenopalatine foramen</p> Signup and view all the answers

    How does the lateral aspect of the pterygopalatine fossa connect to the infratemporal fossa?

    <p>Pterygomaxillary fissure</p> Signup and view all the answers

    Which aperture in the pterygopalatine fossa leads to the roof of the oral cavity (hard palate)?

    <p>Palatine canal</p> Signup and view all the answers

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