page_title: Posterior ethmoidal nerve
hierarchical_section_title: Posterior ethmoidal nerve
context_page_description: The posterior ethmoidal nerve is a branch of the nasociliary nerve.
  It passes through the posterior ethmoidal foramen, with the posterior ethmoidal artery.
  It carries sensory information from the sphenoid sinus and posterior ethmoidal air cells.
  It is absent in about 30% of people.
context_section_description: The posterior ethmoidal nerve is a branch of the nasociliary nerve.
  It passes through the posterior ethmoidal foramen, with the posterior ethmoidal artery.
  It carries sensory information from the sphenoid sinus and posterior ethmoidal air cells.
  It is absent in about 30% of people.
caption: The ophthalmic artery and its branches. (Nerve not pictured, but location is similar to artery.)
exif: {}