swim bladder

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Archived revision by 212.149.203.243 (talk) as of 19:17, 21 December 2018.
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English

Alternative forms

Noun

swim bladder (plural swim bladders)

  1. (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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