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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: J Comp Neurol. 2019 May 10;527(16):2730–2741. doi: 10.1002/cne.24704

Figure 3: CB1-containing axon terminals form synapses in the BLA and PFC.

Figure 3:

(a) A CB1-labeled axon terminal forms an asymmetric excitatory-type synapse (black arrow) with a spine protruding from a nearby mGlu5-containing dendrite in the BLA. An unlabeled terminal (ut) forms an excitatory synapse onto the dendritic shaft. (b) An axon terminal containing CB1 immunoreactivity forms a symmetric inhibitory-type specialization (white arrow) with a large dendrite. Scale bars = 500 nm, CB1 = CB1-containing terminal, mGlu5 den = dendrite containing mGlu5 immunogold, ut = unlabeled terminal, sp = dendritic spine.