First cranial nerve
The first cranial nerve is the olfactory nerve, the nerve that carries impulses for the sense of smell from the nose to the brain. The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from the vertebral column. There are twelve cranial nerves. The word "olfactory" comes from the Latin "olfactare", to sniff at and "olfacere", to smell.

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first cranial nerve n OLFACTORY NERVE

Medical dictionary. 2011.

Look at other dictionaries:

  • first cranial nerve — noun a collective term for numerous olfactory filaments in the nasal mucosa • Syn: ↑olfactory nerve, ↑nervii olfactorii • Hypernyms: ↑cranial nerve • Part Holonyms: ↑sensory system * * * noun …   Useful english dictionary

  • Cranial nerve — Nerve: Cranial nerves Inferior view of the brain and brain stem showing cranial nerves. An unlabelled version is here Latin nervus cranialis (plural: nervi cranial …   Wikipedia

  • cranial nerve — noun any of the 12 paired nerves that originate in the brain stem • Hypernyms: ↑nerve, ↑nervus • Hyponyms: ↑olfactory nerve, ↑nervii olfactorii, ↑first cranial nerve, ↑optic nerve, ↑ …   Useful english dictionary

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  • cranial nerve first — nervus olfactorius …   Medical dictionary

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