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Muscle protractor pterygoidei et quadrati

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Cranial muscle in birds

The M. protractor pterygoidei et quadrati is a cranial muscle that pulls the streptostylic quadrate dorsorostrally in birds.

References

Hanken, James; Hall, Brian K. (1993-09-15). The Skull, Volume 2: Patterns of Structural and Systematic Diversity. University of Chicago Press. p. 423. ISBN 978-0-226-31568-3.

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