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 cell. Its anterior meningeal branch supplies the anterior part of the anterior cranial fossa.

This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from


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