Medical Definition of Tractus spinalis nervi trigemini

1. A compact fibre bundle, comma-shaped on transverse section, composed of primary sensory fibres of the portio major of the trigeminal nerve, descending from the level of the entrance of the trigeminus in the upper pons down through the dorsolateral region of the rhombencephalic tegmentum along the lateral side of the descending or spinal nucleus of the trigeminus, emerging on the dorsolateral surface of the lower medulla oblongata as the tuberculum cinereum, and continuing as far as the second cervical segment of the spinal cord. Its fibres are distributed to the descending or spinal nucleus of the trigeminus. Synonym: tractus spinalis nervi trigemini, descending tract of trigeminal nerve, tractus descendens nervi trigemini. (05 Mar 2000)

Lexicographical Neighbors of Tractus Spinalis Nervi Trigemini

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
tractus solitarius
tractus spinalis nervi trigemini (current term)
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
tractus temporopontinus
tractus tuberoinfundibularis

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