Last Updated
：2025/11/21
swim bladder
Noun
of fish
usually
Japanese Meaning
魚の体内にあるガスで満たされた嚢で、主に浮力調整、呼吸補助、音響伝達などの役割を果たす解剖学的構造です。
（ plural ）
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(anatomy, usually of fish) A gas-filled sac within the bodies of most fish that variously acts as a float, lung, sound-producing organ or an aid to hearing.
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swim bladder
During the necropsy, the biologist carefully examined the trout's swim bladder for signs of infection.
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During the necropsy, the biologist carefully examined the trout's swim bladder for signs of infection.
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