See Also: Cranial nerve X(health)
Cranial nerve V(health)
Cranial nerve VI(health)
cranial nerve XII(medicine)
cranial nerve XI(medicine)
cranial nerve X(medicine)
cranial nerve VII(medicine)
Cranial nerve XI(health)
cranial nerve V(medicine)
cranial nerve IX(medicine)

cranial nerve IV (medicine)


cranial nerve IV -->
trochlear nerve
<anatomy, nerve> The trochlear nerve controls an extraocular muscle.

Lesions of this nerve will result in rotation of the eyeball upward and outward (and double vision).

Synonym: cranial nerve IV.