- trochlear nerve
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Anat.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.[1885-90]
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Universalium. 2010.
trochlear nerve
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Trochlear nerve — Nerve: Trochlear nerve Path of the Trochlear nerve … Wikipedia
Trochlear nerve — 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. [1913 Webster] {Trochlear… … The Collaborative International Dictionary of English
Trochlear nerve — The trochlear nerve controls the superior oblique muscle of the eye, one of the extraocular muscles, the muscles that move the eye. Paralysis of the trochlear nerve results in rotation of the eyeball upward and outward (and, therefore, double… … Medical dictionary
trochlear nerve — the fourth cranial nerve (IV), which supplies the superior oblique muscle, one of the muscles responsible for movement of the eyeball in its socket. The action of the trochlear nerve is coordinated with that of the oculomotor and the abducens… … The new mediacal dictionary
trochlear nerve — noun either of the two cranial nerves on either side that control the superior oblique muscles of the eyes • Syn: ↑trochlear, ↑trochlearis, ↑fourth cranial nerve • Hypernyms: ↑cranial nerve … Useful english dictionary
trochlear nerve — noun Date: circa 1858 either of the fourth pair of cranial nerves that supply some of the eye muscles with motor fibers called also trochlear … New Collegiate Dictionary
trochlear nerve — noun A motor nerve that innervates the superior oblique muscle of the eye … Wiktionary
trochlear nerve — /ˈtrɒkliə nɜv/ (say trokleeuh nerv) noun the fourth cranial nerve in vertebrates …
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. [1913 Webster] {Trochlear nerve}. See… … The Collaborative International Dictionary of English
trochlear nucleus — n a nucleus situated behind the oculomotor nucleus on the dorsal surface of a medial longitudinal fasciculus near the midline that is the source of the motor fibers of the trochlear nerve * * * nucleus of trochlear nerve n. nervi trochlearis … Medical dictionary
