The facial nerve provides branchiomotor innervation to all the muscles (of facial expression) derived from the second pharyngeal arch. It also carries preganglionic parasympathetic fibres for the lacrimal, submandibular, sublingual and nasal mucous glands, and taste fibres from the anterior two-thirds of the tongue. Lastly, it is partially responsible for the general sensation of the skin lining the external auditory meatus. Course A larger motor … Continue reading Facial nerve (CN VII)