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Research Article

Why Can’t Rodents Vomit? A Comparative Behavioral, Anatomical, and Physiological Study

  • Charles C. Horn mail,

    chorn@pitt.edu

    Affiliations: Biobehavioral Medicine in Oncology Program, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, United States of America, Center for Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

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  • Bruce A. Kimball,

    Affiliation: United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, Monell Chemical Senses Center, Philadelphia, Pennsylvania, United States of America

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  • Hong Wang,

    Affiliation: Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

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  • James Kaus,

    Affiliation: Department of Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

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  • Samuel Dienel,

    Affiliation: Department of Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

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  • Allysa Nagy,

    Affiliation: Department of Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

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  • Gordon R. Gathright,

    Affiliation: United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, Fort Collins, Colorado, United States of America

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  • Bill J. Yates,

    Affiliations: Center for Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America, Department of Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America, Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

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  • Paul L. R. Andrews

    Affiliation: Division of Biomedical Sciences, St. George’s University of London, London, United Kingdom

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  • Published: April 10, 2013
  • DOI: 10.1371/journal.pone.0060537

Reader Comments (2)

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Equidae

Posted by imlamg on 25 Sep 2013 at 13:40 GMT

It would have been interesting if the authors had discussed similarities and differences of the equidae with rodents as horses also do not vomit. Horses have many anatomical similarities with rats, but it would have been interesting to compare the differences. Also, the evolutionary significance of these similarities could have been an interesting discussion.

No competing interests declared.