Braking mechanism in olfactory neurons helps generate amazing diversity of sensors in the nose

http://ifttt.com/images/no_image_card.png The human nose has millions of olfactory neurons grouped into hundreds of different neuron types. Each of these neuron types expresses only one odorant receptor, and all neurons expressing the same odorant receptor plug into one region in the brain, an organization that allows for specific odors to be sensed.

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