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Definition of First cranial nerve
1. Noun. A collective term for numerous olfactory filaments in the nasal mucosa.
Generic synonyms: Cranial Nerve
Group relationships: Sensory System
Medical Definition of First cranial nerve
1. Collective term denoting the numerous olfactory filaments: slender fascicles each composed of the thin, unmyelinated axons of 8 to 12 of the bipolar olfactory receptor cells in the olfactory portion of the nasal mucosa; the olfactory filaments pass through the cribriform plate of the ethmoid bone and enter the olfactory bulb, where they terminate in synaptic contact with mitral cells, tufted cells, and granule cells. See: olfactory tract. Synonym: nervi olfactorii, fila olfactoria, first cranial nerve, nerve of smell, olfactory fila. (05 Mar 2000)
Lexicographical Neighbors of First Cranial Nerve
Literary usage of First cranial nerve
Below you will find example usage of this term as found in modern and/or classical literature:
1. Medical Record by George Frederick Shrady, Thomas Lathrop Stedman (1884)
"They are as follows : first cranial nerve (olfactory) and body type ; third
cranial nerve (motor oculi) and body type ; fifth cranial nerve (trigem inus) ..."
2. Quain's Elements of Anatomy by Jones Quain, Allen Thomson, George Dancer Thane (1882)
"... collectively represent the first cranial nerve. hollow outgrowths of the wall
of the first primary cerebral vesicles, come The second or optic nerves ..."
3. Lectures on Nervous Diseases from the Standpoint of Cerebral and Spinal by Ambrose Loomis Ranney (1888)
"They are us follows: first cranial nerve (olfactory) and body type; third cranial
nerve (motor oculi) and body type : fifth cranial nerve (trigeminus) and ..."
4. The U. S. Coal Industry, 1970-1990: Two Decades of Change (1992)
"The first cranial nerve; controls the sense of smell. The plate covering the
gills of a bony fish. The second cranial nerve; controls sight. ..."
5. The Encyclopædia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1910)
"The optic nerve, indeed, is morphologically the first cranial nerve, the olfactory
being the second; both are attached to what is morphologically the In ..."
6. State board questions and answers by Rudolph Max Goepp (1913)
"... spinal accessory, and hypoglossus. (c) Trigeminal, facial, and glossopharyngeal.
What is the function of the first cranial nerve? ..."
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