Which foramen does the maxillary division (V2) pass through to enter the skull?

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Prepare for the NBEO Ocular Anatomy Posterior Segment and Cranial Nerves Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which foramen does the maxillary division (V2) pass through to enter the skull?

Explanation:
Maxillary division travels from the trigeminal ganglion through the foramen rotundum, which serves as the doorway from the middle cranial fossa into the pterygopalatine fossa. From there it continues to the infraorbital region, supplying sensation to midface structures. The other foramina serve different routes or structures: the foramen ovale transmits the mandibular division, the foramen spinosum carries the middle meningeal vessels (and small meningeal branches), and the foramen lacerum is largely cartilage-filled and not a typical nerve exit.

Maxillary division travels from the trigeminal ganglion through the foramen rotundum, which serves as the doorway from the middle cranial fossa into the pterygopalatine fossa. From there it continues to the infraorbital region, supplying sensation to midface structures. The other foramina serve different routes or structures: the foramen ovale transmits the mandibular division, the foramen spinosum carries the middle meningeal vessels (and small meningeal branches), and the foramen lacerum is largely cartilage-filled and not a typical nerve exit.

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