Is it ensure, insure, or assure?
chromatophore chro·mat·o·phore (krō-māt'ə-fôr')
A specialized pigment-bearing organelle in certain photosynthetic bacteria and cyanobacteria.
A pigment-bearing phagocyte found chiefly in the skin, mucous membrane, and choroid coat of the eye, as well as in melanomas. Also called pigment cell.
Variant of chromophore.
pigment-containing cell in the deeper layers of the skin of animals. Depending on the colour of their pigment, chromatophores are termed melanophores (black), erythrophores (red), xanthophores (yellow), or leucophores (white). The distribution of the chromatophores and the pigments they contain determine the colour patterns of an organism.