鰓さい弁べんMeanings1noungill lamella; branchial lamella; gill filamentTechnical term in biology and ichthyology for the thin, leaf-like structures on fish gills where gas exchange occurs.魚さかなの鰓さい弁べんは、水すい中ちゅうの酸さん素そを取とり込こむ重じゅう要ような器き官かんです。The gill lamellae of fish are important organs for taking in oxygen from the water.