PSYCH261 Chapter Notes - Chapter 2.3: Neurotransmitter Receptor, Axon Terminal, Extracellular Fluid
28 Sep 2018
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Psych 261 textbook chapter 2 reading summary. Postsynaptic potential: alterations in the membrane potential of a postsynaptic neuron, produced by liberation of neurotransmitter at the synapse. Binding site: the location on a receptor protein to which a ligand binds. Ligand (lye gand or ligg and: a chemical that binds with the binding site of a receptor. Dendritic spine: a small bud on the surface of a dendrite, with which a terminal button of another neuron forms a synapse. Presynaptic membrane: the membrane of a terminal button that lies adjacent to the postsynaptic membrane and through which the neurotransmitter is released. Postsynaptic membrane: the cell membrane opposite the terminal button in a synapse; the membrane of the cell that receives the message. Synaptic cleft: the space between the presynaptic membrane and the postsynaptic membrane. Synaptic vesicle (vess i kul: a small, hollow, bead-like structure found in terminal buttons; contains molecules of a neurotransmitter.
