Medical Definition of Tractus rubrospinalis

1. A somatotopically organised fibre bundle, relatively small in humans, arising from the red nucleus, immediately crossing in the ventral tegmental decussation, descending near the lateral surface of the brainstem into the lateral funiculus of the spinal cord at the ventral border of the lateral pyramidal tract. It terminates in the zona intermedia of the spinal cord where its distribution coincides with that of the lateral pyramidal tract; in contrast to the latter it appears not to have direct connections with spinal motor neurons. Impulses conveyed by this tract indirectly increase flexor muscle tone. Synonym: tractus rubrospinalis, Monakow's bundle, Monakow's tract, prepyramidal tract. (05 Mar 2000)

Tractus Rubrospinalis Pictures

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Lexicographical Neighbors of Tractus Rubrospinalis

tractus dorsolateralis
tractus fastigiobulbaris
tractus habenulopeduncularis
tractus iliotibialis
tractus mesencephalicus nervi trigemini
tractus occipitopontinus
tractus olfactorius
tractus olivocerebellaris
tractus opticus
tractus parietopontinus
tractus pyramidalis
tractus pyramidalis anterior
tractus pyramidalis lateralis
tractus reticulospinalis
tractus rubrospinalis (current term)
tractus solitarius
tractus spinalis nervi trigemini
tractus spinocerebellaris anterior
tractus spinocerebellaris posterior
tractus spinotectalis
tractus spinothalamicus
tractus spinothalamicus anterior
tractus spinothalamicus lateralis
tractus spiralis foraminosus
tractus supraopticohypophysialis
tractus tectobulbaris
tractus tectopontinus
tractus tectospinalis

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