<prompt> The structure that passes between middle cerebellar peduncle and pons isTrigeminal nerveVagus nerveOlfactory nerveOptic nerve  <response>: Trigeminal nerve exits the brain by a large sensory root and a smaller motor root coming out of the pons at its junction with the middle cerebellar peduncle.Ref: Vishram Singh textbook of clinical neuroanatomy second edition pg-81, fig 8.9 