Definitions for olfactory nerve
Random House Webster's College Dictionary
either one of the first pair of cranial nerves, consisting of sensory fibers that conduct to the brain the impulses from the mucous membranes of the nose.
Origin of olfactory nerve:
olfactory nerve, nervii olfactorii, first cranial nerve(noun)
a collective term for numerous olfactory filaments in the nasal mucosa
U.S. National Library of Medicine
The 1st cranial nerve. The olfactory nerve conveys the sense of smell. It is formed by the axons of OLFACTORY RECEPTOR NEURONS which project from the olfactory epithelium (in the nasal epithelium) to the OLFACTORY BULB.
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