Posterior external arcuate fibers
Fibrae arcuatae externae posteriores
- Synonym: Dorsal external arcuate fibers
- Related terms: Posterior external arcuate fibres; Posterior external arcuate fibres; Dorsal external arcuate fibres
Definition
Posterior external arcuate fibres are uncrossed fibers from the lateral part of the arcuate nucleus to the inferior cerebellar peduncle. Above the level of C8 they replace the posterior spinocerebellar tract. The dorsal nucleus is absent here.
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