medical Definition of accessory nucleus
- The accessory nucleus is located at spinal levels C1 to about C5/C6 in the lateral portion of the anterior horn.
- —Duane E. Haines, Lippincott's Illustrated Q&A Review of Neuroscience, 2010
- Forelimb stimulation also activated contralateral sites in the dorsal accessory nucleus of the inferior olive …
- —E. M. Santori et al., Journal of Neuroscience, 1 Feb. 1986