swim bladder

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swim bladder

n.
A gas-filled structure in many fishes that functions to maintain buoyancy and, in some species, to aid in respiration or to produce sound. Also called air bladder, gas bladder.

swim bladder

n
(Zoology) ichthyol another name for air bladder1

air′ blad`der


n.
1. a vesicle or sac containing air.
2. an air-filled sac at the top of the body cavity in bony fishes, serving in most to regulate hydrostatic pressure. Also called swim bladder.
[1725–35]

swim bladder

(swĭm)
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.swim bladder - an air-filled sac near the spinal column in many fishes that helps maintain buoyancyswim bladder - an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
sac - a structure resembling a bag in an animal
Translations

swim bladder

nSchwimmblase f

swim bladder

n (Zool) → vescica natatoria
References in periodicals archive ?
They produce these sounds by rapidly contracting the muscles connected to their swim bladders.
The origin and evolution of the surfactant system in fish: insights into the evolution of lungs and swim bladders.
Unlike most other fish, the ones that live in these depths don't have gas-filled cavities like swim bladders that would collapse under the extreme pressure," said (http://www.
The report said that a growing number of breweries are questioning whether isinglass, which is made from the swim bladders of fish, is the best form of clarifying agent by removing yeast from the beer to make it look clear.
MOST people don't know or care that fish swim bladders play a key role in making many beers.
Tarpon have swim bladders which they periodically fill with air.
Often, when fish are dragged out of their ocean homes in huge nets or at the ends of fishing poles, their gills collapse, their eyes bulge out of their heads, and their swim bladders burst because of the sudden pressure change.
All the fish taken on Big Bob lures where released safely, after resting them at ten metres to allow them to equalise their swim bladders before landing.
Just last week, authorities seized 86 [totoaba] swim bladders along the road from Santa Clara to San Luis Rio Colorado," Diaz wrote in the Greenpeace Mexico blog on March 19.
Most darters lack swim bladders, causing them to sink to the bottom after darting about in pursuit of prey.
Fish swim bladders were collected from the market aseptically into the sample collection vials containing sterile normal saline (0.