Intracellular [Ca 2+] and K + and Cl − efflux responses in submandibular cells of neonatal and adult rats

The effects of graded doses (5 × 10 −8 to 10 −5 ) acetylcholine on intracellular Ca 2+ and on 86Rb and 36Cl efflux were compared in submandibular cell clusters of 1 and 7 day-old and adult rats. Initial Ca 2+ peaks were similar at agonists concentrations lower than 10 −7 M but the release of Rb + an...

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