Early research had suggested that each neuron expresses just one type of receptor, and that all the neurons expressing a particular receptor link to a dedicated olfactory nerve cluster (called a ...

Seven primary odors are distinguished, each of them by an appropriately shaped receptor at the olfactory nerve endings By John E. Amoore , James W. Johnston Jr. & Martin Rubin Join Our Community ...

These odor molecules contact a tissue called the olfactory epithelium (Fig. 1), which contains olfactory receptor cells that lock onto these odor molecules. This generates electrical signals that are ...