First cranial nerve: The olfactory nerve, the nerve that permits the sense of smell. See: Olfactory nerve.
n. Either of the first pair of cranial nerves that conduct impulses from the mucous membranes of the nose to the olfactory bulb.
First cranial nerve information including symptoms, causes, diseases, symptoms, treatments, and other medical and health issues.
Nerve, first cranial: The first cranial nerve is the olfactory nerve, the nerve that carries impulses for the sense of smell from the nose to the brain.
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