Excitatory synapse
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An excitatory synapse is a synapse in which an action potential in a presynaptic neuron depolarizes the membrane of the postsynaptic cell, and thus increases the probability of triggering an action po
Histological brain sample of the Substantia Nigra in Parkinson's disease, showing the presence of Lewy bodies and other signs of neurodegeneration.
Neuron
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A neuron, neurone, or nerve cell, is a cell that is excitable, firing electric signals called action potentials. Neurons form neural networks in the nervous system, mainly in the central nervous syste
Excitatory synapse
…An excitatory synapse is a synapse in which an action potential in a presynaptic neuron depolarizes the membrane of the postsynaptic cell, and thus increases the probability of triggering an action potential in that cell. The postsynaptic…
Golgi-stained neurons in human hippocampal tissue
Synaptic vesicles containing neurotransmitters
A signal propagating down an axon to the cell body and dendrites of the next cell
Drawing by Camillo Golgi of a hippocampus stained using the silver nitrate method