trochlear nerve


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trochlear nerve

n.
Either of the fourth pair of cranial nerves that originates in the midbrain and innervates a muscle of the eyeball.
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.

trochlear nerve

(ˈtrɒklɪə)
n
(Anatomy) either one of the fourth pair of cranial nerves, which supply the superior oblique muscle of the eye
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trochlear nerve - either of the two cranial nerves on either side that control the superior oblique muscles of the eyestrochlear nerve - either of the two cranial nerves on either side that control the superior oblique muscles of the eyes
cranial nerve - any of the 12 paired nerves that originate in the brain stem
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

trochlear nerve

n. nervio troclear. V.: cranial nerves.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
The main indication for the procedure is acquired trochlear nerve palsy following closed head injury, particularly due to traffic accidents.
V., VI., IX., X., XI., and XIIth cranial nerve impairments and also trochlear nerve impairment can be seen very rarely in atypical cases (1,5).
Orbital apex syndrome (OAS) has been described as a syndrome involving damage to the oculomotor nerve (CN3), trochlear nerve (CN4), ophthalmic branch of the trigeminal nerve (CN5) and abducens nerve (CN6) in association with optic nerve dysfunction.
Patient 4, who had isolated trochlear nerve paralysis, is the fifth case reported in the English literature.
The tentorium posterior incisura region can expose the supratentorial part of the trochlear nerve. Incise the free edge of the tentorium in the rear part of trochlear nerve and suspend it to expose the superior cerebellar artery, trochlear nerve, anterosuperior cerebellar, the lower part of the pons.
Isolated cranial nerve palsies affecting the trochlear nerve (9) and the facial nerve (10) also have been reported.
Depending on the inflammatory infiltrate location, patients might present with various nonspecific symptoms that include nerve compression in cavernous sinus, partial or complete ophthalmoplegia indicating superior orbital fissure involvement, or loss of vision indicating optic nerve involvement; isolated trochlear nerve paresis has also been described (4).