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small structures at axon ends releasing neurotransmitters for signal transmission

Axon terminals, also known as synaptic boutons, are the small, bulb-like structures at the end of an axon. They are crucial for transmitting signals to other neurons, muscles, or glands by releasing neurotransmitters into the synaptic cleft, the small gap between neurons. This process is essential for communication within the nervous system, enabling everything from muscle contractions to complex thought processes.

Related Terms

• Neurons