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. Author manuscript; available in PMC: 2023 Apr 5.
Published in final edited form as: Curr Opin Neurobiol. 2022 Apr 5;73:102538. doi: 10.1016/j.conb.2022.102538

Figure 1. Endoplasmic reticulum and trafficking organelles at a model excitatory synapse.

Figure 1.

Presynaptic terminals in the axon (in blue) contain tubular ER and are filled with synaptic vesicles, small trafficking organelles that are filled with neurotransmitters. Dendrites (in orange) contain ER, ER exit sites that mediate the delivery of proteins and lipids to the plasma membrane, spine apparatus, endosomes and Golgi satellites and outposts.