extrinsic sonic muscles

extrinsic sonic muscles
usually a pair, two pairs or more rarely three pairs of muscles inserted on the gas bladder and a neighbouring structure such as a bone (ribs, parapophyses), perhaps via ligaments. Insertions vary with the species and family. The muscles produce sounds by contracting the gas bladder. See also intrinsic sonic muscles

Dictionary of ichthyology. 2009.

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Look at other dictionaries:

  • sonic muscles — muscles associated with the swimbladder used for sound production. See extrinsic and intrinsic sonic muscles, and drumming muscles, elastic spring mechanism and protractor post temporalis mechanism …   Dictionary of ichthyology

  • intrinsic sonic muscles — striated muscles of the gas bladder wall, used in sound production by contraction, e.g. Porichthys notatus (Batrachoididae). See also extrinsic sonic muscles …   Dictionary of ichthyology

  • Cycling — Protesters cycling in Chamonix in 2003 …   Wikipedia

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