Foramen Ovale Contents — MFDS Part 1 MCQ
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Correct answer: B — Mandibular nerve (V3)
The mandibular division of the trigeminal nerve (V3) exits the cranial cavity through the foramen ovale and enters the infratemporal fossa. The maxillary division (V2) passes through the foramen rotundum, whereas the ophthalmic division (V1) passes through the superior orbital fissure. The glossopharyngeal nerve (IX) and accessory nerve (XI) leave the cranial cavity through the jugular foramen. Therefore, A is the single best answer.
Reference: Kim HJ, Seong M, Kim Y. Normal Anatomy of Cranial Nerves III–XII on Magnetic Resonance Imaging, foraminal segment/Figure 11, 2020. https://pubmed.ncbi.nlm.nih.gov/36238638/