air bladder

air bladder

n.

1. An air-filled structure in many fishes that functions to maintain buoyancy or, in some species, to aid in respiration. Also called swim bladder.

2. See float.

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air bladder

n

1. (Life Sciences & Allied Applications / Zoology) Ichthyol an air-filled sac, lying above the alimentary canal in bony fishes, that regulates buoyancy at different depths by a variation in the pressure of the air Also called swim bladder

2. (Life Sciences & Allied Applications / Botany) any air-filled sac, such as one of the bladders of seaweeds

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air bladder

1. An air-filled sac in many fish that helps maintain buoyancy or, in some species, helps in respiration, sound production, or hearing. Also called swim bladder.

2. See float.

Thesaurus

Noun

1.

air bladder - an air-filled sac near the spinal column in many fishes that helps maintain buoyancy swim bladder, float sac - a structure resembling a bag in an animal