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guanophore

noun gua·no·phore \ ˈgwänəˌfō(ə)r \
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Definition of guanophore

plural -s
: a chromatophore that is characterized by pale granules or iridescent crystals of guanine and occurs notably in the skin of fishes and reptiles : leucophore, iridophore

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Origin and Etymology of guanophore

guano- (from guanine) + -phore

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