rubrospinal tract
Acronym: rs
The term rubrospinal tract refers to a fiber bundle that originates in the caudal magnocellular part of the red nucleus, crosses to the contralateral side of the midbrain in the ventral tegmental decussation and descends in the dorsolateral fasciculus of the spinal cord ventral to the lateral corticospinal tract. This tract is less developed in humans than in lower mammals ( Paxinos-2004 ). It is composed of the rubrospinal tract of the midbrain, rubrospinal tract of the hindbrain and rubrospinal tract of the spinal cord.

Also known as: Tractus rubrospinalis


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