Medical Definition of Cranial root of accessory nerve
1.
The roots of the accessory nerve which arise from the medulla; the nerve fibres of the cranial root join the intracranial portion of the vagus nerve and are distributed to the pharyngeal plexus, providing the motor innervation of the soft palate (except the tensor veli palati) and the pharynx.
Synonym: pars vagalis nervi accessorii, radices craniales, accessory portion of spinal accessory nerve, cranial roots, vagal part of accessory nerve, vagal part.
(05 Mar 2000)
Lexicographical Neighbors of Cranial Root Of Accessory Nerve
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