Regional Block of the Nose - Anatomy The innervation of the nose and nasal cavity is complex and involves both the ophthalmic (V1) and maxillary (V2) branches of the trigeminal nerve ( Figures 12A and 12B ) Figure-12 Innervation of the nose and nasal cavity. A: External nose. B: Septum and nasal cavity. #Anatomy #Nasal #Nerve #Innervation #Block #Branches #Ophthalmic #Infratrochlear
