ELI5: Explain Like I'm 5

Olfactory ensheathing cell

Okay kiddo, have you ever smelled a flower, a yummy pie or something stinky like old gym socks? Do you know where that sensation comes from in your brain? It comes from a special part called the olfactory bulbs, which are part of your nose.

Now, imagine there are special cells in your nose that can help your brain make sense of all those different smells. These cells are called olfactory ensheathing cells. They are like little helpers that guide nerves in your nose to your brain.

When you smell something, the olfactory ensheathing cells help the nerves in your nose send a message to your brain about the smell. They act like a little protective blanket that wraps around the nerves and makes sure they get safely to your brain, so you can know what you're smelling.

Scientists are really interested in olfactory ensheathing cells because they think they might be able to use them to help people with certain injuries or diseases. For example, if someone gets hurt and their nerves can't work right, doctors might be able to use olfactory ensheathing cells to help the nerves heal and start working again. Isn't that cool?
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