Pulmonary blood flow distribution in standing horses is not dominated by gravity.

@article{Hlastala1996PulmonaryBF,
  title={Pulmonary blood flow distribution in standing horses is not dominated by gravity.},
  author={Michael P. Hlastala and Susan L Bernard and Howard H. Erickson and M. Roger Fedde and Earl M. Gaughan and Rose M McMurphy and Michael J. Emery and Nayak L. Polissar and Robb W. Glenny},
  journal={Journal of applied physiology},
  year={1996},
  volume={81 3},
  pages={1051-61}
}
Recent studies using microspheres in dogs, pigs and goats have demonstrated considerable heterogeneity of pulmonary perfusion within isogravitational planes. These studies demonstrate a minimal role of gravity in determining pulmonary blood flow distribution. To test whether a gravitational gradient would be more apparent in an animal with large vertical lung height, we measured perfusion heterogeneity in horses (vertical lung height = approximately 55 cm). Four unanesthetized Thoroughbred… CONTINUE READING

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