The Drosophila antennal lobe houses synapses between olfactory sensory neurons (OSNs) and downstream projection neurons (PNs) in stereotyped glomeruli. Many glomeruli exhibit structural plasticity in ...

more than 90 percent of which is considered to be richly vascularized mucosa involved in the passage of fluids between the mucosa and underlying epithelium. The vascularity of this region is ...