Definition: 'Accessory Cuneate Nucleus'
accessory cuneate nucleusType: Term
1. a cell group lateral to the cuneate nucleus that receives posterior-root fibers corresponding to the proprioceptive innervation of the arm and hand; it projects to the cerebellum by way of the cuneocerebellar tract, and can be considered the upper-extremity equivalent of the thoracic nucleus.
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