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actinophore

noun
ac·​tin·​o·​phore | \ ak-ˈti-nə-ˌfȯr\
plural -s

Definition of actinophore

: a bony or cartilaginous element supporting the fin rays of fishes

First Known Use of actinophore

1877, in the meaning defined above

History and Etymology for actinophore

actin- + -phore

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