SINCE 1828
pterygiophore
noun
pte·ryg·io·phore
| \təˈrijēəˌfō(ə)r, teˈr-\
plural -s
Definition of pterygiophore
: 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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