The swim bladder, gas bladder, fish maw or air bladder is an internal gas-filled organ that contributes to the ability of a fish to control its buoyancy, and thus to stay at the current water depth without having to waste energy in swimming. The swim bladder is also of use as a stabilizing agent because in the upright position the center of mass i...
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http://en.wikipedia.org/wiki/Swim_bladder
A gas-filled sac found in the upper part of the body cavity of many bony fishes.
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http://www.azgfd.gov/h_f/fishing_glossary.shtml
Synonym for air bladder ... 1. <anatomy> An air sac, sometimes double or variously lobed, in the visceral cavity of many fishes. It originates in the same way as the lungs of air-breathing vertebrates, and in the adult may retain a tubular connection with the pharynx or oesophagus. ... 2. A sac or bladder full of air in an animal or plant; al...
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http://www.encyclo.co.uk/local/20973
(see air bladder)
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http://www.encyclo.co.uk/visitor-contributions.php
a tough-walled gas-filled sac lying in the upper part of the body cavity of many bony fishes just beneath the vertebral column; its principal function is to offset the weight of heavier tissue such as bone. In some fishes used for sound production or respiration.
Found on
http://www.fish-uk.com/dictionary.htm
Type: Term Synonyms: air bladder
Found on
http://www.medilexicon.com/medicaldictionary.php?t=10565
Thin-walled, air-filled sac found between the gut and the spine in bony fishes. Air enters the bladder from the gut or from surrounding capillaries (see capillary), and changes of air pressure within the bladder maintain buoyancy whatever the water depth. In evolutionary terms, the swim bladder of higher fishes is a derivative of the lungs ...
Found on
https://www.encyclo.co.uk/local/21221
No exact match found.
