Occulomotor III, Trochlear IV & abducent VI nerves
Trochlear Nerve - Physiopedia
The chordates. Chordata. 164 Basic Structure of Vertebrates IV. Trochlear, mainly somatic motor, its fibers coming from a motor center located ventrally in the region of junction of the mesen- cephalon
Trochlear Nerve - an overview | ScienceDirect Topics