oculomotor nerve


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Related to oculomotor nerve: abducens nerve

oculomotor nerve

n.
Either of the third pair of cranial nerves, which originate in the midbrain and control most of the muscles that move the eyeballs.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

oculomotor nerve

n
(Anatomy) the third cranial nerve, which supplies most of the eye muscles
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

oculomo′tor nerve`


n.
either one of the third pair of cranial nerves, which innervate most of the muscles of the eyeball.
[1880–85]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.oculomotor nerve - supplies extrinsic muscles of the eyeoculomotor nerve - supplies extrinsic muscles of the eye
cranial nerve - any of the 12 paired nerves that originate in the brain stem
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References in periodicals archive ?
There are two nuclei for the oculomotor nerve: the oculomotor nucleus; and the Edinger-Westphal nucleus.
In this case, MRI with contrast revealed the diffuse contrast enhancement in the cisternal segment of the left oculomotor nerve. Contrast-enhanced studies also show that focal thickening takes place at the exit of the nerve in the interpeduncular cistern without enhancement of the cavernous sinus or adjacent dura.
After a comprehensive work up and based on the particular restricted extraocular movements, we initially diagnosed her as a case of oculomotor nerve palsy.
Lid ptosis is caused by either the involvement of the sympathetic fibers arising from the cavernous sinus, resulting in loss of tone of Mueller muscles, or the involvement of the somatic efferent fibers that course along the superior branch of the oculomotor nerve, resulting in loss of tone of the levator palpebrae superioris muscle.[11] The fixed dilated pupil which presents with dilatation, fixation, and loss of accommodation of the ipsilateral pupil arises due to disruption of the parasympathetic fibers coursing with the oculomotor nerve, resulting in paralysis of the pupillary ciliary muscle.[11],[14]
Oculomotor nerve palsy as the presenting symptom of gummatous neurosyphilis and human immunodeficiency virus infection clinical response to treatment.
Oculomotor nerve and muscle abnomialities in congenital fibrosis of the extraocular muscles.
The muscles are respectively governed by the oculomotor nerve, sympathetic nervous system tracts and fibers that are located in the mesencephalon and the cervical spinal cord.
Sphenoid sinus mucocele presenting with oculomotor nerve palsy and affecting the functions of trigeminal nerve: A case report.
Other complaints were decreased level of consciousness, decreased vision, vomiting, hearing loss, acromegalic features, numbness, proptosis, cerebrospinal fluid (CSF) rhinorrhoea, altered behaviour, ataxia, blindness, dysphagia, oculomotor nerve palsy, diplopia, vertigo, monoplegia, post-auricular discharge and tinnitus.
Eye pain due to trigeminal nerve stimulation, eye movement disorder (double vision) caused by oculomotor nerve disorders, visual deficit due to optic nerve disorders, and blepharoptosis due to sympathetic nervous system disorders are present.
The nucleus of the oculomotor nerve is placed in the midline region of the midbrain.