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Medical Term:

nucleus of trochlear nerve


a group of motor neurons innervating the superior oblique muscle of the contralateral eye. The nucleus lies in the caudal half of the midbrain, behind the oculomotor nucleus, in the most ventral part of the central gray substance, near the midline.

Synonym(s): nucleus nervi trochlearisTA, trochlear nucleus

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.