The posterior nasal nerve is the dominant source of the parasympathetic, sympathetic, and sensory fibers that innervate the nasal respiratory mucosa. Therefore, a posterior nasal neurectomy (PNN) is thought to induce denervation of the nasal mucosa and relieve the nasal symptoms of allergic rhinitis. Base images for a device which cauterizes and kills nerves which signal excessive mucus production. nasal cavity, conchae, turbinate, sphenoid sinus, nasopharynx
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