Question:
Which nerve passes through the marked foramen in the given image?
Which nerve passes through the marked foramen in the given image?
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Medial surface of the ramus - the gateway to the lower teeth.
Updated On: Jun 23, 2026
- Lingual nerve
- Mandibular nerve
- Chorda tympani nerve
- Inferior alveolar nerve
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: The marked opening is the mandibular foramen, located on the medial surface of the ramus of the mandible.
Step 2: The mandibular foramen is the entrance to the mandibular canal and transmits the inferior alveolar nerve along with the inferior alveolar artery and vein.
Step 3: Inside the canal the inferior alveolar nerve supplies the lower teeth, then exits at the mental foramen as the mental nerve to supply the chin and lower lip skin.
Step 4: Therefore the nerve passing through the marked foramen is the inferior alveolar nerve, option (d). The lingual and chorda tympani nerves run in the soft tissue medial to the ramus but do not enter this bony foramen, and the mandibular nerve (V3) is the parent trunk in the infratemporal fossa, not the structure within the foramen.
Step 2: The mandibular foramen is the entrance to the mandibular canal and transmits the inferior alveolar nerve along with the inferior alveolar artery and vein.
Step 3: Inside the canal the inferior alveolar nerve supplies the lower teeth, then exits at the mental foramen as the mental nerve to supply the chin and lower lip skin.
Step 4: Therefore the nerve passing through the marked foramen is the inferior alveolar nerve, option (d). The lingual and chorda tympani nerves run in the soft tissue medial to the ramus but do not enter this bony foramen, and the mandibular nerve (V3) is the parent trunk in the infratemporal fossa, not the structure within the foramen.
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