Closed Medulla Near Caudal End of 4th Ventricle
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Sensory Nuclei:
Gracilis
Cuneatus
Accessory Cuneate
Spinal nucleus of V
Solitarius (nucleus & tract)
 Motor Nuclei:
Inferior olive
Ambiguus
Hypoglossal
Dorsal motor nucleus of X
Reticular Formation:
Raphe - (pallidus)
Medial - gigantocellularis

Tracts:
Gracilis
Cuneatus
Spinal tract of V
Ventral trigeminothalamic
Inferior cerebellar peduncle (Post. spinocerebellar, cuneocerebellar & olivocerebellar fibers)
Olivocerebellar
Pyramidal
Medial lemniscus
MLF (med. vestibulospinal & med. reticulospinal)
Lat. vestibulospinal & lat. reticulospinal
Spinothalamics (ant. & lat.)
Internal arcuate decussation

 Other:
Hypoglosaal rootlets
Vagal rootlets
Central canal
Preolivary sulcus (with CN XII)
Postolivary sulcus (with CN X)