pterygiophore

noun

pte·​ryg·​io·​phore

təˈrijēəˌfō(ə)r,

teˈr-

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

Word History

Etymology

pteryg- + -phore

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