Tufted cells are the second layer of cells surrounding the glomeruli. they respond to fewer odorants than the first layer, but to more than the neurons at the deepest layer of cells.
The olfactory glomeruli contain tufted cells. They get information from olfactory epithelium receptor cells, which are present in parts of the nose that can detect smells. Projection neurons refer to both mitral cells and tufted cells. The impulses from the glomeruli are sent deeper into the brain by projection neurons.
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