Open Medulla at Hypoglossal Nucleus
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Sensory Nuclei:
Accessory Cuneate
Spinal nucleus of V
Solitarius (nucleus & tract)
Vestibular (inferior & medial)

Motor Nuclei:
Inferior olive
Ambiguus
Hypoglossal
Dorsal motor nucleus of X
Reticular Formation:
Raphe - (magnus)
Medial - gigantocellularis

Tracts:
Ventral trigeminothalamic
Inferior cerebellar peduncle
Olivocerebellar
Pyramidal
Medial lemniscus
MLF (med. vestibulospinal & med. reticulospinal)
Lat. vestibulospinal & lat. reticulospinal
Spinothalamics (ant. & lat.)

Other:
Hypoglosaal rootlets
Vagal fibers & rootlets
Hypoglossal eminence
Vagal eminence
Sulcus limitans
Fourth ventricle

Blood vessels and area supplied:
Anterior spinal artery
Posterior spinal artery
Posterior inferior cerebellar artery
Vertebral artery