Fin ray
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A thin, long bone that supports the membranous part of a fish's fin . Its base is supported by the pinniped bone and extends toward the outer edge of the fin. There are two types: spines and soft rays. Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information |
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〘名〙 魚類の鰭(ひれ)を構成する膜状部を支える細長い骨。基部は担鰭骨に支えられ、鰭の外縁に向かってのびる。棘と軟条の二種がある。
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