Term: optic tectum lymphatic endothelial cluster
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: lymphatic endothelial cluster
Synonyms:
Definition: Group of lymphatic endothelial cells that is separate from the lymphatic vasculature. These clusters may serve as repositories for lymphatic progenitors in case of tissue damage.
Ontology: Anatomy Ontology [ZFA:0005955]