Axons from prefrontal area 32 synapse in the lateral hypothalamic area. Axon terminals (At) were identified by BDA label injected in area 32. (A) synapse (arrow) with dendritic spine (sp); (B) synapse (arrow) with dendrite (den). Scale bar = 1 μm.
Barbas et al. BMC Neuroscience 2003 4:25 doi:10.1186/1471-2202-4-25