Definition of First cranial nerve

1. Noun. A collective term for numerous olfactory filaments in the nasal mucosa.

Exact synonyms: Nervii Olfactorii, Olfactory Nerve
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

First Baron Lytton
First Baron Macaulay
First Baron Marks of Broughton
First Baron Passfield
First Baron Rutherford
First Baron Rutherford of Nelson
First Baron Tennyson
first base
first baseman
first battle of Ypres
first blush
first cause
first class
first cousin
first cranial nerve (current term)
first cranial nerve (current term)
First Crusade
first cuneiform bone
first degree
first degree A-V block
first degree burn
first dentition
first derivative
First Duke of Marlborough
First Duke of Wellington
first duodenal sphincter
First Earl Kitchener of Khartoum
First Earl of Beaconsfield
First Earl of Chatham
First Earl of Orford

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