air bladder

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  • noun

Synonyms for air bladder

an air-filled sac near the spinal column in many fishes that helps maintain buoyancy

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References in periodicals archive ?
During testing, helmets were initially inflated and then set aside to allow the air bladders to expand and equalize for at least 10 minutes.
But it won't be easy: Unlike fish, which show up on sonar because they have air bladders, squid are harder to find.
As part of the project Arrow Medical designed a series of RF welding techniques to produce the inflatable air bladders from medical grade polyurethane, then bond all the layers into a single piece.
Based on foam technology, ProBax(TM) seating changes the manner in which the occupant is supported, doing away with a number of other more complex seating technologies such as air bladders and adjustable lumbar supports.
The recliner employs seven separate, active air bladders supporting the neck, lower back, buttocks and thighs.
The new weirs are made up of a row of steel gate panels supported on their downstream side by inflatable air bladders.
Unfortunately, at least 12 died from the strain of bringing them up 120 feet, despite deflating their air bladders and returning them to the Gulf.
It's a 14-pound floating garage creeper that uses compressed air bladders to stay afloat, making it easier for mechanics to navigate the undercarriage of a car.