Three nerves carry taste signals to the brain stem: the chorda tympani nerve (from the front of the tongue), the glossopharyngeal nerve (from the back of the tongue) and the vagus nerve (from the ...

Ahmad: Now, along that facial nerve there is a taste nerve. It's called chorda tympani. Narrator: That's right, the nerve for taste runs right through your middle ear. And if that nerve gets ...

Medically reviewed by John Carew, MD The greater petrosal nerve branches off of the facial nerve in the skull. Along with a ...