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 ...
RECENT reports 1,2 describe spontaneous potential changes at crustacean neuromuscular junctions which bear a close resemblance to vertebrate miniature end-plate potentials 3. Quantal ‘packets’ of ...