has part
has part
has_part
postsynaptic density
asymmetric synapse
A type of synapse occurring between an axon and a dendritic spine or dendritic shaft. Asymmetric synapses, the most abundant synapse type in the central nervous system, involve axons that contain predominantly spherical vesicles and contain a thickened postsynaptic density. Most or all synapses of this type are excitatory.
GO:0032279
Gray's type I synapse
cellular_component
neuron to neuron synapse