Terminal Button

Definition

The terminal button, also known as the synaptic knob, is a small bulge at the end of an axon that stores and releases neurotransmitters. It forms junctions with other neurons, allowing for communication between them.

Related terms

Synapse:

The tiny gap between two neurons where communication occurs through chemical signaling.

Neurotransmitters:

Specialized chemicals released by terminal buttons that transmit signals across synapses.

Reuptake:

The process by which neurotransmitters are reabsorbed into the presynaptic neuron after transmission.