Term: torus longitudinalis proliferative region
Name: torus longitudinalis
Synonyms: longitudinal torus, tori longitudinalis
Definition: Multi-tissue structure that is a paired longitudinal eminence of granular cells that develops from the alar plate and is attached to the tegmentum in the medial tectal ventricle. The torus longitudinalis only occurs in ray finned fishes.
Ontology: Anatomy Ontology [ZFA:0000449]

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