Closed Medulla at Sensory Decussation: Medial Lemniscus
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Sensory Nuclei:
Gracilis
Cuneatus
Accessory Cuneate
Spinal nucleus of V
Solitarius (nucleus & tract)
Inferior olive

 Motor Nuclei:
Ambiguus
Hypoglossal
Dorsal motor nucleus of X
Arcuate

Reticular Formation:
Raphe - (obscurus)
Medial - (central medullary)

Tracts:
Gracilis
Cuneatus
Spinal tract of V
Ventral trigeminothalamic
Posterior spinocerebellar
Pyramidal
Medial lemniscus
MLF (med. vestibulospinal & med. reticulospinal)
Lat. vestibulospinal & lat. reticulospinal
Spinothalamics (ant. & lat.)
Internal arcuate
Internal arcuate decussation

 Other:
Hypoglosaal rootlets
Ant. spinal artery & sulcal brs.
Vertebral artery brs.
Posterior spinal artery
Central canal
Central gray

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