Abstract
EARLIER investigations on the relations of the electrolyte content of organs to hypertension in the rat have shown that only the increase of the potassium content of the vessel wall is characteristic of hypertension1. In the carotic strip of cow in vitro, potassium produces a rise in tension which lasts so long as the potassium concentration of the bath solution is not altered. Simultaneously with the penetration of potassium into the muscle fibre a rise in tension2, viscosity and dynamic elasticity modulus3 occurs. It may be concluded from this that the potassium which entered the muscle fibre discharges certain proteins and so increases the mechanical tension.
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References
Laszt, L., Nature, 185, 695 (1960).
Laszt, L., Nature, 185, 696 (1960).
Hardung, V., and Laszt, L., Nature, 187, 330 (1960).
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LASZT, L. Properties of Vessel Muscle Proteins extracted with Water or Salt Solutions of Low Ionic Strength. Nature 189, 230 (1961). https://doi.org/10.1038/189230a0
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DOI: https://doi.org/10.1038/189230a0
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