Nerve signals that help the parotid gland produce saliva start in the glossopharyngeal nerve. They pass through a small pathway (the tympanic and lesser petrosal nerves) until they reach a tiny nerve ...
The facial sweating and flushing in Frey syndrome is due to damage to the auriculotemporal nerve, which runs down the side of the face. Such damage can be caused by surgery to the parotid glands ...