Term: optic tectum proliferative region
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: proliferative region
Synonyms: cell cycle, cell division, proliferation
Definition: Anatomical cluster which consists of rapidly dividing cells.
Ontology: Anatomy Ontology [ZFA:0000098]