gas-filled bladder

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• Gas lighting — For other uses, see Gaslight (disambiguation). Gas lighting is production of artificial light from combustion of a gaseous fuel, including hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, or natural gas. Before… …   Wikipedia

• Gas bladder — and thus to stay at the current water depth, ascend, or descend without having to waste energy in swimming. cite encyclopedia | title =Fish | encyclopedia =Microsoft Encarta Encyclopedia Deluxe 1999 | publisher =Microsoft | date =1999] The gas… …   Wikipedia

• Bladder — The organ that stores urine. The bladder is a hollow organ in the lower abdomen. The kidneys filter waste from the blood and produce urine, which enters the bladder through two tubes called ureters. Urine leaves the bladder through another tube,… …   Medical dictionary

• bladder — bladderless, adj. bladderlike, adj. /blad euhr/, n. 1. Anat., Zool. a. a membranous sac or organ serving as a receptacle for a fluid or air. b. See urinary bladder. 2. Pathol. a vesicle, blister, cyst, etc., filled with fluid or air. 3. Bot. an… …   Universalium

• swim bladder — n. a gas filled sac in the dorsal portion of the body cavity of most bony fishes, giving buoyancy to the body and used as an accessory, lunglike organ in lungfishes * * * ▪ fish anatomy also called  air bladder,         buoyancy organ possessed… …   Universalium

• air bladder — 1. a vesicle or sac containing air. 2. Also called gas bladder, swim bladder. Ichthyol. a gas filled sac located against the roof of the body cavity of most bony fishes, originally functioning only as a lung, now serving in many higher fishes to… …   Universalium

• swim bladder — n. a gas filled sac in the dorsal portion of the body cavity of most bony fishes, giving buoyancy to the body and used as an accessory, lunglike organ in lungfishes …   English World dictionary

• swim bladder — noun 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 …   Wiktionary

• swim bladder — noun a gas filled sac in a fish s body, used to maintain buoyancy …   English new terms dictionary

• Portuguese Man o' War — This article is about the marine invertebrate. For other uses, see Man O War (disambiguation). Portuguese Man o War Scientific classification Kingdom …   Wikipedia

• Mormyridae — Freshwater elephantfish Elephant fish Scientific classification Kingdom: Animalia …   Wikipedia