Medical Dictionary

spinal accessory nucleus

noun

Medical Definition of spinal accessory nucleus

  1. :  a cluster of motor neurons in the ventral horn of the cervical region of the spinal cord that give rise to the accessory nerve <The spinal accessory nerve contains axons of motor neurons whose cell bodies are located in the spinal accessory nucleus …—John H. Martin, Neuroanatomy: Text and Atlas, 2003>


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