Dictionary

olfactory nerve

noun

Definition of OLFACTORY NERVE

:  either of the pair of nerves that are the first cranial nerves and that arise in the olfactory neurosensory cells of the nasal mucous membrane and pass to the anterior part of the cerebrum

First Known Use of OLFACTORY NERVE

1670

olfactory nerve

noun    (Medical Dictionary)

Medical Definition of OLFACTORY NERVE

:  either of the pair of nerves that are the first cranial nerves, that serve to conduct sensory stimuli from the olfactory organ to the brain, and that arise from the olfactory cells as discrete bundles of unmyelinated fibers passing in small groups (in humans, about 20) through the cribriform plate of the ethmoid bone and terminating in the olfactory bulb—called also first cranial nerve

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