The cuneocerebellar tract carries unconscious position sense from the arm and upper body to the cerebellum. It is the upper-limb counterpart of the dorsal spinocerebellar tract.
| Location | From the accessory cuneate nucleus in the lower medulla to the cerebellum via the inferior cerebellar peduncle |
|---|---|
| Parts |
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| Connections |
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| Blood Supply | Vertebral artery; Posterior inferior cerebellar artery |
Supplies the cerebellum with muscle spindle and tendon information from the same-side arm and neck for coordination.
Lesions here or in the inferior cerebellar peduncle cause incoordination of the same-side arm, as in lateral medullary syndrome.
Brainstem stroke with same-side limb ataxia from damage to spinocerebellar inputs.
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