Foramen Ovale Contents — FRCA Primary MCQ
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Correct answer: A — Mandibular division of trigeminal nerve
The correct answer is A. The mandibular division of the trigeminal nerve (V3) leaves the middle cranial fossa through the foramen ovale and enters the infratemporal fossa. The maxillary division (V2) passes through the foramen rotundum into the pterygopalatine fossa. The middle meningeal artery enters through the foramen spinosum. The internal carotid artery enters the skull through the carotid canal and then passes above, rather than through, the foramen lacerum. The optic nerve traverses the optic canal. Other structures may accompany V3 through the foramen ovale, but none of them appears among the options.
Reference: Kumar A, et al. An Anatomical Evaluation of Normal and Aberrant Foramen Ovale in Skull Base with Its Clinical Significance. Maedica. 2022;17(2):357-362. https://pubmed.ncbi.nlm.nih.gov/36032599/