Term Name:	trochlear nerve formation
Synonyms:	CN IV biosynthesis, CN IV formation
Definition:	The process that gives rise to the trochlear nerve. This process pertains to the initial formation of a structure from unspecified parts. 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.
Ontology:	GO: Biological Process [GO:0021642]    QuickGO    AmiGO