Letter | Published:

Effect of Different Vasomotor Agents on the Visco-elastic Behaviour of Arteries of the Muscular Type

Naturevolume 199pages11931194 (1963) | Download Citation



IT has been assumed that two different contractile systems are present in the vascular muscle: the phasic system for transient regulatory tension and the tonic system for continuous tension. The tension of the latter seems to depend on the concentration of potassium in the muscular cells1. This opinion has been confirmed during physiological and biochemical investigations2–4.

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  1. 1

    Laszt, L., Arch. Kreislaufforschung, 32, 220 (1960).

  2. 2

    Laszt, L., Nature, 185, 695 (1960).

  3. 3

    Laszt, L., Nature, 187, 329 (1960).

  4. 4

    Laszt, L., and Hamoir, G., Biochim. Biophys. Acta, 50, 430 (1961).

  5. 5

    Gasser, H. S., and Hill, A. V., Proc. Roy. Soc., B, 96, 398 (1924).

  6. 6

    Distèche, A., Contribution à l'étude des échanges d'ions hydrogène au cours du cycle de la contraction musculaire. Thèse d'agrégation de l'Enseignement Supérieur, Liège (1960).

  7. 7

    Aubert, X., Arch. Intern. Physiol. Biochem., 63, 197 (1955).

  8. 8

    Laszt, L. (personal communication).

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  1. Laboratory of General Biology, University of Liège



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