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pterygiophore

noun pte·ryg·io·phore \ təˈrijēəˌfō(ə)r , teˈr- \
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Definition of pterygiophore

plural -s
: one of the cartilaginous or bony elements (as basalia and radialia) by which rays of the fin of a fish are supported : actinost

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Origin and Etymology of pterygiophore

pteryg- + -phore

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