ELI5: Explain Like I'm 5

Ribbon synapse

Ok kiddo, let's talk about ribbon synapses!

You know how our ears help us hear sounds? Well, inside our ears we have tiny hair-like structures called hair cells. These hair cells help us detect sound vibrations and send signals to our brain telling us what we're hearing.

But here's the thing, the signals that the hair cells send to our brain are made up of tiny particles called neurotransmitters. These neurotransmitters move from the hair cells to another type of cell called spiral ganglion neurons, which then take the signal to our brain.

Here's where the ribbon synapse comes in. Imagine a bunch of spaghetti noodles all tangled up and wrapped in a rubber band. That's what a ribbon synapse looks like! It's a tangled up mass of proteins that help control the release of neurotransmitters from the hair cells.

Basically, the ribbon synapse helps bundle up the neurotransmitters and release them in a controlled and organized way, kind of like how a delivery truck drops off packages at different places in a neighborhood. Without the ribbon synapse, the hair cells would release neurotransmitters in a messy and disorganized way, making it hard for our brain to understand what we're hearing.

So there you have it, ribbon synapses play an important role in helping us hear by controlling how neurotransmitters are released from hair cells.