The middle cerebellar peduncles (brachia pontis) are paired structures (left and right) that connect the cerebellum to the pons and are composed entirely of centripetal fibers, which arise from the pontine nucleus of the opposite hemisphere of the cerebellar cortex.
The middle cerebellar peduncles (brachia pontis) are paired structures (left and right). These structures (left and right) connect the cerebellum to the pons. These structures (left and right) are composed entirely of centripetal fibers. Centripetal fibers arise from the pontine nucleus of the opposite hemisphere of the cerebellar cortex.