ctenidium; comb gill
Zoological term for the comb-like respiratory organ found in many mollusks.
二枚貝の櫛鰓は、水中の酸素を取り込む役割を果たす。
The ctenidium of bivalves functions to take in oxygen from the water.
Compound of 櫛 (くし, 'comb') and 鰓 (えら, 'gill'), describing the comb-like structure of the organ.