spinal accessory nucleus

noun

Medical Definition of spinal accessory nucleus

: 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

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Cite this Entry

“Spinal accessory nucleus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/spinal%20accessory%20nucleus. Accessed 27 Jun. 2022.

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