page_title: Medullary pyramids (brainstem)
hierarchical_section_title: Medullary pyramids (brainstem)
caption_attribution_description: English: Medulla oblongata, pons and middle cerebellar peduncle
context_page_description: The medullary pyramids are paired white matter structures of the brainstem's medulla oblongata that contain motor fibers of the corticospinal and corticobulbar tracts – known together as the pyramidal tracts. The lower limit of the pyramids is marked when the fibers cross.
context_section_description: The medullary pyramids are paired white matter structures of the brainstem's medulla oblongata that contain motor fibers of the corticospinal and corticobulbar  tracts – known together as the pyramidal tracts. The lower limit of the pyramids is marked when the fibers cross (decussate).
caption: Pons and medulla oblongata. Anterior surface. (Pyramids visible at center.)
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