FUNCTIONS
It controls the movement of superior oblique muscle of the
eye.
This muscles moves the eye down and rotate rotates the top
of the eye towards the nose. It also helps to move the eye
outward when the eye is looking downward.
CLASSIFICATIONS
Cranial nerve is a general somatic motor nerve.
The trochlear nerve originates from the midbrain and enters
the orbit through the superior orbital fissure supplying the
superior oblique
,