Digital Histology
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Terminals

This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x

Dendritic spine <p>This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x</p>

Dendritic spine

This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x
Terminal bouton <p>This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x</p>

Terminal bouton

This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x
- Neurotransmitter vesicles <p>This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x</p>

- Neurotransmitter vesicles

This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x
Post-synaptic density <p>This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x</p>

Post-synaptic density

This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x
Shaft of the dendrite <p>This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x</p>

Shaft of the dendrite

This electron micrograph shows the terminal bouton of a synapse terminating on a dendritic spine.  Dendritic spines provide sites for excitatory input to the neuron.  Note the transmitter vesicles and the well-developed post-synaptic density in the bouton.  Cross sections of many non-myelinated axons are also present.  25,000x
Astrocyte processes > <p>Astrocytic processes are frequently seen associated with synapses where they monitor neurotransmitter levels.  Astrocyte processes can be distinguished by the presence of glycogen granules in their cytoplasm.</p>

Astrocyte processes >

Astrocytic processes are frequently seen associated with synapses where they monitor neurotransmitter levels.  Astrocyte processes can be distinguished by the presence of glycogen granules in their cytoplasm.
Glycogen granules <p>Astrocytic processes are frequently seen associated with synapses where they monitor neurotransmitter levels.  Astrocyte processes can be distinguished by the presence of glycogen granules in their cytoplasm.</p>

Glycogen granules

Astrocytic processes are frequently seen associated with synapses where they monitor neurotransmitter levels.  Astrocyte processes can be distinguished by the presence of glycogen granules in their cytoplasm.
Main SlideDendritic spineTerminal bouton - Neurotransmitter vesiclesPost-synaptic densityShaft of the dendriteAstrocyte processes >Glycogen granules