Control of Motility

Intrinsic rhythm - Basic electric rhythm (BER)~generated by alimentary ‘pacemaker cells’~APs-- Ca2+ spikes-- contractionsBER is modified by extrinsic signals: - neuronal (ANS) - hormonal (gastrointestinal peptides from chyme)

Intrinsic rhythm - Basic electric rhythm (BER) ~generated by alimentary ‘pacemaker cells’ ~APs-- Ca2+ spikes-- contractions BER is modified by extrinsic signals: - neuronal (ANS) - hormonal (gastrointestinal peptides from chyme)