trochlear nerve maturation
A developmental process, independent of morphogenetic (shape) change, that is required for the trochlear nerve to attain its fully functional state. The trochlear nerve is a motor nerve and is the only cranial nerve to exit the brain dorsally. The trochlear nerve innervates the superior oblique muscle.
GO:0021605
cranial nerve maturation
is_a
GO:0021558
trochlear nerve development
part_of
CN IV maturation
related