Symmetric synapse (presumably inhibitory) in hippocampus as viewed by electron microscopy. Arrow points to the synapse from the presynaptic side. Note the flattened appearance of the synaptic vesicles within the axonal bouton.
Symmetric Synapse
Symmetric synapse (presumably inhibitory) in hippocampus as viewed by electron microscopy. Arrow points to the synapse from the presynaptic side. Note the flattened appearance of the synaptic vesicles within the axonal bouton.