• Mar 22, 2026 An Action Potential Arriving At The Presynaptic Terminal Causes the receptor protein either directly opening ion channels or activating intracellular signaling cascades Example Glutamate binding to ionotropic receptors on a postsynaptic neuron leads to sodium influx depolarizing the membrane and increasing the li By Evan Spencer
• Jun 7, 2026 Presynaptic Neuron rocess, called exocytosis, releases neurotransmitters into the synaptic cleft (the gap between the presynaptic and postsynaptic neuron). 4. Neurotransmitter Binding: The released neurotransmitters diffuse acr By Nick Hodkiewicz
