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Intraluminal pressure and equivalent arterial wall tension

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Résumé

P=T/r, une loi de Laplace, est d'habitude appliquée pour exprimer la relation entre la pression intraluminale (P) et la tension intramurale (T) d'un vaisseau de rayonr. Sur un segment tubulaire, et sur une bande hélicale de l'aorte du lapin, nous avons mesuré deux valeurs équivalentes,P 50% etT 50%, obtenues lorsque la contraction causée par la noradrénaline est réduite de moitié. Ainsi la valeur der, calculée en utilisant l'equationP=T/r, est environ 75% de la valeur mesurée.

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References

  1. A. C. Burton, inHandbook of Physiology, Circulation (American Physiological Society, Washington, D. C. 1962), vol. 1, p. 85.

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Authors and Affiliations

  1. Department of Physiology, Faculty of Medicine, University of Ottawa, Ontario, Canada

    M. Wurzel & R. Roach

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  1. M. Wurzel
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  2. R. Roach
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Wurzel, M., Roach, R. Intraluminal pressure and equivalent arterial wall tension. Experientia 23, 78–80 (1967). https://doi.org/10.1007/BF02142281

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