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Anatomy · Cranial foramina
Sample itemWhich cranial nerve division passes through the foramen rotundum to reach the pterygopalatine fossa?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Maxillary division of trigeminal nerve
The maxillary division of the trigeminal nerve passes through foramen rotundum into the pterygopalatine fossa, carrying sensory fibers from the midface, upper teeth, nasal cavity, and palate.
Option by option
A. Facial nerve
Facial nerve exits the skull through the stylomastoid foramen after traveling in the facial canal.
B. Mandibular division of trigeminal nerve
V3 exits the skull through the foramen ovale.
C. Maxillary division of trigeminal nerve (correct)
Correct: V2 traverses the foramen rotundum.
D. Ophthalmic division of trigeminal nerve
V1 passes through the superior orbital fissure.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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