pterygiophore; fin ray support bones
Specialized anatomical term for the bones that support the fin rays in fish. Used in scientific contexts.
The pterygiophores of fish are important skeletal elements that support the fin rays.
Compound of 担 (support) + 鰭 (fin) + 骨 (bone). The exact historical derivation is uncertain; the spelling is conventionally associated with the anatomical meaning.