melanophore
/ˈmɛlənoʊˌfɔr/
noun
- A cell in the skin of fish, amphibians, and reptiles that contains melanin and can expand or contract to change color.
- Scientists studied how melanophores in zebrafish respond to light.
- The chameleon's melanophores allow it to blend into its surroundings.
- When the fish is stressed, its melanophores contract, making it appear paler.