Maxillary Nerve (V2) Anatomy
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Questions and Answers

Which nerve supplies the roots of molar teeth and their associated buccal gingiva?

  • Infraorbital nerve
  • Middle superior alveolar nerve
  • Posterior superior alveolar nerve (correct)
  • Palpebral nerve
  • Which nerve descends in the lateral wall of the maxillary sinus and is frequently absent?

  • Posterior superior alveolar nerve
  • Palpebral nerve
  • Middle superior alveolar nerve (correct)
  • Infraorbital nerve
  • Where does the Infraorbital nerve pass through before supplying the mucosa of maxillary air sinus?

  • Greater petrosal nerve
  • Sphenopalatine foramen
  • Zygomaticofacial foramen
  • Inferior orbital fissure (correct)
  • Which structure is innervated by the Greater palatine nerve?

    <p>Mucosa of hard palate and adjacent gingiva</p> Signup and view all the answers

    Where does the Pharyngeal branch of the Pterygopalatine ganglion pass through to reach the nasopharynx?

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

    What is the largest septal branch that supplies the palatine gingiva of incisors called?

    <p>Nasopalatine nerve</p> Signup and view all the answers

    Where does the maxillary nerve originate from?

    <p>Trigeminal ganglion</p> Signup and view all the answers

    Through which foramen does the maxillary nerve exit the cranial cavity?

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

    Where does the infraorbital nerve run after exiting the cranial cavity?

    <p>Infraorbital groove then canal</p> Signup and view all the answers

    Which structure does the infraorbital nerve come out from to appear on the face?

    <p>Infra-orbital foramen</p> Signup and view all the answers

    Which branch of the maxillary nerve supplies the dura of the middle cranial fossa?

    <p>Meningeal</p> Signup and view all the answers

    Where does the zygomatic branch of the maxillary nerve arise from?

    <p>Pterygopalatine fossa</p> Signup and view all the answers

    Study Notes

    • Maxillary Nerve (V2) is a pure sensory nerve that originates from the trigeminal ganglion.
    • The nerve runs through various anatomical structures including the cavernous sinus, foramen rotundum, and pterygopalatine fossa.
    • It gives rise to several branches including the infraorbital nerve which further divides into palpebral, nasal, and labial branches on the face.
    • The maxillary nerve also gives off other branches such as meningeal, ganglionic, zygomatic, posterior superior alveolar, and infraorbital nerves.
    • The pterygopalatine ganglion is connected to the maxillary nerve through two ganglionic branches carrying parasympathetic and sympathetic fibers.

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    Description

    Test your knowledge on the origin, course, and relations of the maxillary nerve (V2), a pure sensory nerve that is the second branch of the trigeminal ganglion. Learn about the path it takes from the cavernous sinus to the pterygopalatine fossa and its interactions along the way.

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