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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.
(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
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|Noun||1.||trochlear 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
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n. nervio troclear. V.: cranial nerves.
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