Accessory cuneate nucleus

The accessory cuneate nucleus is located lateral to the cuneate nucleus in the medulla oblongata at the level of the sensory decussation (the crossing fibers of the posterior column/medial lemniscus tract).

Accessory cuneate nucleus
Section of the medulla oblongata at about the middle of the olive. (Accessory cuneate nucleus is not labeled, but cuneate nucleus is labeled at upper right, and the accessory cuneate nucleus would be found lateral to it.)
Part ofMedulla oblongata
Latinnucleus cuneatus accessorius
NeuroLex IDbirnlex_2634
Anatomical terms of neuroanatomy

It receives input from cervical spinal nerves and transmits that information to the cerebellum.[1]

These fibers are called cuneocerebellar (cuneate nucleus → cerebellum) fibers.

In this function, the accessory cuneate nucleus is the upper extremity equivalent of Clarke's column.[1]

Additional images


  1. "Medical Neurosciences". Archived from the original on 2010-01-25.
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