Question: which cranial nerves are bilaterally innervated?
Answer: CN IX: Glossopharyngeal. Anatomy. CN IX is innervated bilaterally and has sensory, parasympathetic, and motor components. The sensory division receives general sensory fibers from the tonsils, pharynx, middle ear, and the posterior one-third of the tongue, as well as taste fibers from the posterior third of the tongue.