trochlear nerve


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trochlear nerve

n.
Either of the fourth pair of cranial nerves that originates in the midbrain and innervates a muscle of the eyeball.

trochlear nerve

(ˈtrɒklɪə)
n
(Anatomy) either one of the fourth pair of cranial nerves, which supply the superior oblique muscle of the eye
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trochlear nerve - either of the two cranial nerves on either side that control the superior oblique muscles of the eyestrochlear 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
Translations

trochlear nerve

n. nervio troclear. V.: cranial nerves.
References in periodicals archive ?
Depending on the inflammatory infiltrate location, patients might present with various nonspecific symptoms that include nerve compression in cavernous sinus, partial or complete ophthalmoplegia indicating superior orbital fissure involvement, or loss of vision indicating optic nerve involvement; isolated trochlear nerve paresis has also been described (4).
Patient 4, who had isolated trochlear nerve paralysis, is the fifth case reported in the English literature.
Orbital apex syndrome (OAS) has been described as a syndrome involving damage to the oculomotor nerve (CN3), trochlear nerve (CN4), ophthalmic branch of the trigeminal nerve (CN5) and abducens nerve (CN6) in association with optic nerve dysfunction.
The orbital region has seven pairs of foramina, two on dorsal position: one for the trochlear nerve and another for the oculomotor nerve; two on median position: one for the orbitonasal channel and another for the optic nerve; and two in ventral position: one for the interorbital vein and another for the efferent artery.