trochlear nerve 滑车神经
trochlear nerve[ noun ]
either of the two cranial nerves on either side that control the superior oblique muscles of the eyes
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Trochlear \Troch"le*ar\, n. [L. trochlea block or pulley.]
(Anat.)
Shaped like, or resembling, a pulley; pertaining to, or
connected with, a trochlea; as, a trochlear articular
surface; the trochlear muscle of the eye.
{Trochlear nerve}. See {Pathetic nerve}, under {Pathetic}.