Term: optic tectum axon extension
Name: optic tectum
Synonyms: dorsal midbrain, mesencephalic tectum, tectal lobe, tectum, tectum opticum
Definition: Multi-tissue structure that is the dorsal part of the midbrain and develops from the alar plate and is the most complex layered structure in the zebrafish brain.
Ontology: Anatomy Ontology [ZFA:0000445]

Name: axon extension
Synonyms: axon extension involved in development
Definition: Long distance growth of a single axon process involved in cellular development.
Ontology: GO: Biological Process [GO:0048675]    QuickGO    AmiGO