Biology:Muscle protractor pterygoidei et quadrati

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Short description: Cranial muscle in birds

The M. protractor pterygoidei et quadrati is a cranial muscle that pulls the streptostylic quadrate dorsorostrally in birds.[1]

References

  1. Hanken, James; Hall, Brian K. (1993-09-15) (in en). The Skull, Volume 2: Patterns of Structural and Systematic Diversity. University of Chicago Press. pp. 423. ISBN 978-0-226-31568-3. https://books.google.com/books?id=mTpJm8MaIF4C. 

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