Transmission electron micrographs of immunogold-labelled P. textbfberghei -infected and non-infected An. stephensi midguts demonstrating the presence of laminin in the basal lamina. Basal lamina surrounding the midgut epithelium of An. stephensi mosquitoes (36,000 ×; scale bar = 500 nm). The distribution and density of laminin labelling (1:4000, 10 nm gold particles) is similar in both the A) uninfected and B) infected midguts.