Presynaptic facilitation is caused by
Presynaptic facilitation: when a third neuron facilitates the presynaptic neuron at it ternimal end is called presynaptic facilitation It causes increased neurotransmitters by opening ca+ channals Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:675,676,677
Prolonged opening of calcium channels
Prolonged opening of chloride channels
Prolonged opening of sodium channels
Prolonged closure of potassium channels
General physiology