The trochlear innervates a single muscle ,the superior oblique muscle of the eye.
The trochlear nerve is unique among the cranial nerves in several respects,
It is the smallest nerve in terms of the no of axons it contains
It has the intracranial length along with the optic nerve.
It is the only cranial nerve that decussates before innervating its target.
It is the only cranial nerve that exists from the dorsal aspect of the brain stem.
KAPIL PATSARIYA
Chairman Of SWADESH VIJAY
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