The action of calcium on blood vessels and its relation to hypertension
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1. The action of calcium on the contractile mechanism of the unstriated muscle of the arterioles has been studied by prolonged immersion of dog’s hind limbs in solutions of calcium chloride and recording the rate of flow before and after immersion for 24 hours.
2. Isotonic solutions of calcium chloride produce a strong irreversible contraction of the arterioles. This is due to the action of calcium on the contractile mechanism.
3. The possible role of calcium in hypertension has been discussed.
KeywordsCalcium Chloride Opposite Action Isotonic Solution Contractile Effect Unstriated Muscle
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