trochlear nerve


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trochlear nerve

[′träk·lē·ər ‚nərv]
(neuroscience)
The fourth cranial nerve; either of a pair of somatic motor nerves which innervate the superior oblique muscle of the eyeball.
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Spontaneous complete recovery of trochlear nerve was seen in almost half of the patients with severe head injury and are more prone to partial and delayed recovery (more than one year) (6).
Pupil-sparing oculomotor nerve palsy was seen in the right eye, but the trochlear nerve (cranial nerve IV) and the abducens nerve (cranial nerve VI) were both intact (figure 1).
The entering into the CS trough this wall can be trough the triangular spaces between the oculomotor and trochlear nerves (supratrochlear triangle) or between the trochlear nerve and the upper edge of V1 (Infratrochlear or Parkinson's triangle).
Tumescent anesthesia was also used at the recipient area after the supra-orbital/supra- trochlear nerve block.