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(FRAME-INFO (STRING "Descending Fibers: Pons and Rostral Medulla. After passing through the pontine gray, the descending fibers collect together as a compact bundle again, forming the pyramid at the base of the medulla. The corticospinal tract \(blue\) continues on to the spinal cord. The corticobulbar fibers \(green\) cross and synapse on motor neurons \(or on interneurons\) in the abducens nucleus \(cranial nerve VI\) and the facial motor nucleus \(cranial nerve VII\) in the pons, and on the hypoglossal nucleus \(cranial nerve XII\) and ambiguus nucleus \(cranial nerves IX and X\) in the medulla."))
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