Term: scale iridophore
Name: scale
Synonyms: scales
Definition: Dermal bone that is thin, flexible, and platelike, and that develops in overlapping skinfolds that cover the body and often the head of fish and the bases of the fins.
Ontology: Anatomy Ontology [ZFA:0000277]

Name: iridophore
Synonyms: iridocyte, iridosome
Definition: A pigment cell derived from the neural crest. The cell contains flat light-reflecting platelets, probably of guanine, in stacks called reflecting platets or iridisomes. The color-generating components produce a silver, gold, or iridescent color.
Ontology: Anatomy Ontology [ZFA:0009199]