depolarization is caused by acetylcholine released from the adjacent motor neuron, which activates nicotinic acetylcholine receptors and opens the sodium/potassium channel. the fast influx of sodium and slow efflux of potassion trigger the action potential.
Parent Term
Biochemical pathway
Parent Definition
A linked series of chemical reactions that occur in a defined order within or between organism cells, and lead to a known function or end product.
Other Metabolites Mapped to 'Muscle/Heart Contraction'