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View definitions for swim bladder

swim bladder

noun as in air bladder

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Example Sentences

Fish maw, sometimes referred to as the swim bladder, is an organ that helps a fish control its buoyancy.

From Time

The needless lung becomes a closed sac filled with air, and commonly known as the swim bladder.

Sometimes, as the need of the theory demands, the swim-bladder is claimed as the relic of a discarded lung.

Thus the swim-bladder of the fish became, it is supposed, the lung of the terrestrial animal.

But in reality it has no gills and no swim-bladder; it lays no eggs; it does not own one truly fish-like organ.

It corresponds with the swim bladder of most modern fishes, and appears to have had a common origin with it.

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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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