Areas of the face innervated by the trigeminal nerve
The ophthalmic nerve branch (V1) innervates the bright red area, the maxillary nerve branch (V2) innervates the light red area, and the mandibular nerve branch (V3) innervates the yellow area.
This an illustration of the face, divided into three colored areas that show how the face is innervated by the trigeminal nerve. The ophthalmic nerve branch (V1) innervates the bright red area, the maxillary nerve branch (V2) innervates the light red area, and the mandibular nerve branch (V3) innervates the yellow area.
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