air bladder

air bladder
плавательный пузырь (у рыб)
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плавательный пузырь

English-russian biological dictionary. 2013.

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  • air bladder — air blad der 1. (Anat.) 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… …   The Collaborative International Dictionary of English

  • air bladder — ► NOUN ▪ an air filled bladder or sac found in certain animals and plants …   English terms dictionary

  • air-bladder — airˈ bladder noun 1. A sac containing gas, such as those that buoy up certain seaweeds 2. A fish s swim bladder, serving to regulate buoyancy, etc • • • Main Entry: ↑air …   Useful english dictionary

  • air bladder — n. a sac with air or gas in it, found in most fishes and in other animals and some plants: also air cell …   English World dictionary

  • air bladder — air′ blad der n. 1) a vesicle or sac containing air 2) ich 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 • Etymology: 1725–35 …   From formal English to slang

  • air bladder — gas bladder, the preferable term since the composition of gases may not be identical to that of air (a thin membranous, sometimes alveolated sac in the dorsal portion of the abdominal cavity. Composed of three layers, the tunica externa, the… …   Dictionary of ichthyology

  • 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

  • air bladder — /ˈɛə blædə/ (say air bladuh) noun 1. a vesicle or sac containing air. 2. Ichthyology a symmetrical sac filled with air whose principal function is the regulation of the hydrostatic equilibrium of the body; a swim bladder …  

  • air bladder — noun An internal organ that fish use to control their buoyancy, allowing them to maintain or change depth by changing their density. Syn: fish maw, gas bladder, swim bladder …   Wiktionary

  • air bladder — noun an air filled bladder or sac found in certain animals and plants …   English new terms dictionary

  • air bladder — noun an air filled sac near the spinal column in many fishes that helps maintain buoyancy • Syn: ↑swim bladder, ↑float • Hypernyms: ↑sac …   Useful english dictionary

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