either one of the fourth pair of cranial nerves, which supply the superior oblique muscle of the eye
trochlear nerve in British English
either one of the fourth pair of cranial nerves, which supply the superior obliquemuscle of the eye
See full dictionary entry for trochlear
trochlear nerve in American English
noun
Anatomy
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
Word origin
[1885–90]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: lineup, retread, toner, twofer, zoom
Examples of 'trochlear nerve' in a sentence
trochlear nerve
There was no trochlear nerve schwannoma.
Forhad Hossain Chowdhury, Mohammod R. Haque, Khandkar A. Kawsar, Mainul H. Sarker,Mahmudul Hasan, Atul H. Goel 2014, 'Intracranial nonvestibular neurinomas: Young neurosurgeons′ experience', Journal of Neurosciences in Rural Practicehttp://www.ruralneuropractice.com/article.asp?issn=0976-3147;year=2014;volume=5;issue=3;spage=231;epage=243;aulast=Chowdhury. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, intraoperatively, the tumor originated in the trochlear nerve.
Mohammad Samadian, Navid Farzin, Mehrdad Hosseinzadeh Bakhtevari, Mohammad Hallajnejad,Omidvar Rezaei 2015, 'Isolated trochlear nerve schwannoma presenting with diplopia: A case report and literaturereview', Interdisciplinary Neurosurgeryhttp://www.sciencedirect.com/science/article/pii/S2214751915000146. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We describe a rare case of trochlear nerve schwannoma.
Mohammad Samadian, Navid Farzin, Mehrdad Hosseinzadeh Bakhtevari, Mohammad Hallajnejad,Omidvar Rezaei 2015, 'Isolated trochlear nerve schwannoma presenting with diplopia: A case report and literaturereview', Interdisciplinary Neurosurgeryhttp://www.sciencedirect.com/science/article/pii/S2214751915000146. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The case highlights the need for neuroimaging in selected cases of isolated trochlear nerve palsy.
Raghavendra S, Vasudha K, Shankar S 2010, 'Isolated trochlear nerve palsy with midbrain hemorrhage', Indian Journal of Ophthalmologyhttp://www.ijo.in/article.asp?issn=0301-4738;year=2010;volume=58;issue=1;spage=66;epage=67;aulast=Raghavendra. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These syndromes are characterized by congenital restrictive ophthalmoplegia affecting muscles in the oculomotor and trochlear nerve distribution.
Saito Nakamichi, Matsumoto Naomichi, Ruttum Mark, Ballard Evan, London Arnold, LetsonRobert, O'Keefe Michael, Johnson Roger, Lee Bjorn A, Yamada Koki, McIntosh Nathalie,Engle Elizabeth C, Collins Mary, Morris Lisa, Monte Monte, Magli Adriano, de BerardinisTeresa 2002, 'CFEOM1, the classic familial form of congenital fibrosis of the extraocular muscles,is genetically heterogeneous but does not result from mutations in ARIX',BMC Geneticshttp://www.biomedcentral.com/1471-2156/3/3. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Schwannomas originating from the trochlear nerve are extremely rare; only 30 cases have been reported in the literature.
Andrew B. Boucher, L. Madison Michael 2014, 'The Middle Fossa Approach for the Removal of a Trochlear Schwannoma', Case Reports in Neurological Medicinehttp://dx.doi.org/10.1155/2014/672314. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Three years later he presented an acute binocular diplopy with right trochlear nerve paralysis, and labial hypoesthesia.
Diego Teyssonneau, Amaury Daste, Vincent Dousset, Jean-Luc Hoepffner, Alain Ravaud,Marine Gross-Goupil 2017, 'Metastatic non-muscle invasive bladder cancer with meningeal carcinomatosis: casereport of an unexpected response', BMC Cancerhttp://link.springer.com/article/10.1186/s12885-017-3309-2. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A right-sided anterior transpetrosal approach was used—which confirmed that the trochlear nerve entered the mass—to achieve gross total resection.
Andrew B. Boucher, L. Madison Michael 2014, 'The Middle Fossa Approach for the Removal of a Trochlear Schwannoma', Case Reports in Neurological Medicinehttp://dx.doi.org/10.1155/2014/672314. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)