The olfactory bulb shaves a lamellar structure which is composed of, from outside to inside the epithelium, the layer of the olfactory nervous fibers and the small cellular layer. 嗅球的组织结构成层状结构,从外向内依次为上皮、神经纤维层和小细胞层。
Part of nerve fibers in nervous ganglia and part of small cells in the surface layer of cerebral ganglia were IL-2R immunological reaction weakly positive. 神经节内的部分神经纤维和脑神经节表层部分小细胞呈IL-2R免疫反应弱阳性。