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Spinal accessory nucleus

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Spinal accessory nucleus

Spinal accessory nucleus
The cranial nerve nuclei schematically represented; dorsal view. Motor nuclei in red; sensory in blue. (Spinal accessory nucleus is at "XI".)
Details
Latin nucleus nervi accessorii, nervus spinalis nervi accessorii
Identifiers
NeuroNames ancil-999
Dorlands
/Elsevier
n_11/12583456
Anatomical terms of neuroanatomy

The spinal accessory nucleus lies within the cervical spinal cord (C1-C5) in the posterolateral aspect of the anterior horn. The nucleus ambiguus is classically said to provide the "cranial component" of the accessory nerve.

However, the very existence of this cranial component has been recently questioned and seen as contributing exclusively to the vagus nerve.

The terminology continues to be used in describing both human anatomy,[1] and that of other animals.[2]

Additional images

References

  1. ^ Routal RV, Pal GP (2000). "Location of the spinal nucleus of the accessory nerve in the human spinal cord".  
  2. ^ Ullah M, Mansor O, Ismail ZI, Kapitonova MY, Sirajudeen KN (2007). "Localization of the spinal nucleus of accessory nerve in rat: a horseradish peroxidase study".  

External links

  • Sylvius
  • University of New Mexico
  • Georgetown
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