Intracellular calcium: its movement during pentylenetetrazole-induced bursting activity

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Science  19 May 1978:
Vol. 200, Issue 4343, pp. 797-799
DOI: 10.1126/science.644325


The intracellular calcium concentration in the cytoplasm decreased and the calcium concentration near the cell membrane increased during bursting activity induced by pentylenetetrazole in snail neuron. Incubation in medium containing cobalt chloride or lanthanum chloride did not change this tendency, which suggests that this calcium distribution change is due to the stored calcium in the subcellular structure moving toward the cell membrane.