Brief unilateral naris occlusion fails to induce structural plasticity at the AIS or plasticity of intrinsic excitability in ETCs. A, Example average intensity projection images of bulbar ETCs visualized via staining against CCK and the AIS marker AnkG in Ctrl and Occl mice. gl, Glomerular layer; epl, external plexiform layer. B–I, All conventions are the same as in Figure 4.