High power brightfield photomicrographs of CB1R mRNA positive cells/nuclei in layers II (A – D) and V (E – H) of the human DLPFC. CB1R silver grains (black dots) appear on small interneuron-like cells (large arrowheads) and larger pyramidal neuron-like cells (small arrows). Scale bar = 10 μm.
Long et al. BMC Neuroscience 2012 13:87 doi:10.1186/1471-2202-13-87