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1. Any of several types of pigment cells, especially one found in a fish, amphibian, or reptile.
2. A multicellular organ in cephalopods that contains pigment cells.
3. A specialized pigment-bearing organelle in certain photosynthetic bacteria.


1. (Zoology) a cell in the skin of frogs, chameleons, etc, in which pigment is concentrated or dispersed, causing the animal to change colour
2. (Botany) another name for chromoplast
ˌchromatoˈphoric, chromatophorous adj


(krəˈmæt əˌfɔr, -ˌfoʊr)

1. a cell containing pigment, esp. one that produces a temporary color, as in cuttlefishes.
2. one of the colored plastids in plant cells.
chro•mat`o•phor′ic (-ˈfɔr ɪk, -ˈfɒr-) chro•ma•toph•or•ous (ˌkroʊ məˈtɒf ər əs) adj.
References in periodicals archive ?
0,02-3% [H.sub.2][O.sub.2] has been used to eliminate chromatophores. Staining with a solution 0,5% KOH and 0,03-0,04 g of red Alyzarin-S.
A grid was then superimposed on the diagram, and the shape (pointate or stellate) and number of chromatophores in each grid cell were recorded.
The skin contains countless color-changing cells known as chromatophores, each of which is surrounded by tiny muscles controlled directly by the brain.
Chromatophores are cells containing biochromes, schemochromes, or both.
During a tour of the aquaculture facility in Fellsmere, Morris explained to me that the blue coloration comes from the shrimp's "chromatophores." The shrimp try to mimic black, the lining color of the raceways they are raised in, but the closest they get is blue.
At the non-sectioned scales submitted to Feulgen and Toluidine Blue the presence of epithelium through the entire surface is evidenced by the marked nuclei (see Figure 1A, left side) and chromatophores (see Figure 1A, right side).
Bromothymol blue and bromocresol purple as indicators of pH changes in chromatophores of Rhodospirillum rubrum.
The researchers discovered this gene, for a protein called opsin, concentrated near chromatophores - tiny organs that consist of an elastic sac of red, yellow or black pigment tied to muscle fibres.
The body is yellowish, grading to pink on the peduncle, with three vague yellow stripes (most obvious on the peduncle), with heavily scattered dark chromatophores, especially on the dorsum and along the scale pockets and scale margins.