担たん鰭き骨こつ

noun

pterygiophore; fin ray support bones

Specialized anatomical term for the bones that support the fin rays in fish. Used in scientific contexts.

• 魚ぎょ類るいの担たん鰭き骨こつは、鰭き条じょうを支ささえる重じゅう要ような骨こっ格かく要よう素そである。

  The pterygiophores of fish are important skeletal elements that support the fin rays.