CONCLUSIONRhubarbhasexcitingactions on isolated antral circular stripsofguinea pig, which is partlymediated viacholinergicMreceptor, cholinergicN receptor and L-type calciumchannel.
Then I grew up and realised that they're really just 40-odd identical channelstrips, which do nothing more magical than the volume and tone controls on a home stereo.