Mastoid canaliculus

Dr Henry Knipe and Dr Amir Rezaee et al.

The mastoid canaliculus (also known as Arnold's canal) arises from the pars vascularis of the foramen jugulare and runs to the mastoid segment of the facial nerve canal and contains Arnold nerve (auricular branch of vagus nerve). 

History and etymology

Arnold's canal, and its corresponding nerve, are named after Philipp Friedrich Arnold, German anatomist (1803-1890) 2

Anatomy: Head and neck

Anatomy: Head and neck

Article information

rID: 61302
Section: Anatomy
Synonyms or Alternate Spellings:
  • Mastoid canaliculi
  • Arnold canals
  • Arnold's canals
  • Arnold canal
  • Arnold's canal

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