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trochlear nerve

noun

, Anatomy.
  1. either one of the fourth pair of cranial nerves, consisting of motor fibers that innervate the superior oblique muscle of the upper part of the eyeball.


trochlear nerve

/ ˈtrɒklɪə /

noun

  1. either one of the fourth pair of cranial nerves, which supply the superior oblique muscle of the eye
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of trochlear nerve1

First recorded in 1885–90

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trochleartrochoid