trochlear in a sentence
Examples
- Superior oblique myokymia is an uncommon neurological condition caused by vascular compression of the trochlear nerve resulting in repeated, brief, involuntary episodes of movement of the eye.
- It has less commonly been associated with spasm of nystagmus and associated ocular motility deficits including skew deviation, oculomotor nerve palsy, trochlear nerve palsy and internuclear ophthalmoplegia.
- Patients with trochleitis typically experience a dull fluctuating aching over the trochlear region developing over a few days . Some may also feel occasional sharp pains punctuating the ache.
- Patients with an important supra-trochlear spur as in type B and D trochlear dysplasia and chronic instability are more reluctant to conservative and softtissue surgical treatment options.
- Patients with an important supra-trochlear spur as in type B and D trochlear dysplasia and chronic instability are more reluctant to conservative and softtissue surgical treatment options.
- To compensate for this, patients with trochlear nerve palsies tilt their heads to the opposite side, in order to fuse the two images into a single visual field.
- Netrin-1 has also been shown to act as a chemorepellent " in vivo " for trochlear motor axons that migrate dorsally away from the floor plate.
- Cranial nerve III ( the occulomotor nerve ) emerges ventrally from the midbrain, while the CN IV ( the trochlear nerve ) emerges out from the dorsal aspect of midbrain.
- Oddly, fibers from the trochlear nucleus cross over in the midbrain at the superior medullary velum and exit posteriorly, ( this is the only cranial nerve to do so ).
- Damages to these structures produce the ipsilateral presentation of paralysis or palsy due to the lack of cranial nerve decussation ( aside from the trochlear nerve ) before innervating their target muscles.