These run up alongside the trachea to supply the muscles of the larynx or voice box, so if these nerves are compressed, it can cause weak or paralyzed larynx muscles which can cause voice hoarseness.
Like playing a guitar string, singers use their vocal cords – a pair of folds in the throat that are stretched over the larynx, or voice box, another part of the throat, to produce a sound vibration - a quick, shaking movement.
It was named 'the wanderer' in Latin because it emerges from the brain and meanders up and down the body like a superhighway of communication, connecting the brain to organs like the heart, lungs and stomach, voice box and ears.
The scientists used human cells to grow layers of tissue which they tested in voice boxes taken from dead dogs, descent air through them using an artificial wind pipe and were able to produce some realistic sounds.
It had punctured the carotid sheath but didn't appear to have damaged the hypoglossal nerve or the vagus nerve, which control tongue function, the swallow reflex, and the voice box.
The voice box of all other animals was found to be high in the throat, leaving them incapable of making the complicated sounds of speech in their short vocal tract.
Lott's team reported early results of the surgery recently in the publication Mayo Clinic Proceedings. The larynx might be best known as the voice box.
Watson thought laryngeal habits...you know, from larynx, in other words, related to the voice box...he thought those habits were an expression of thinking.