This is a preview. Log in through your library . Abstract A possible distinction between 'extrinsic' drug receptors and 'intrinsic' neuro-receptors at the motor end-plate has been considered, and an ...
WHEN the amplitudes of end-plate potentials (e.p.p.s) are depressed at frog neuromuscular junctions by low concentrations of calcium, lowering the sodium ion concentration in the medium causes a large ...
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