Neurotransmitter

Definition

Neurotransmitters are chemical substances released by neurons (nerve cells) that transmit signals across a chemical synapse, such as the junction between two nerve cells or between a nerve cell and a muscle cell. They play a crucial role in the functioning of the nervous system by influencing or modulating bodily functions.

Related terms

Synapse:

The junction where the transfer of electrical or chemical signals between two neurons occurs.

Acetylcholine:

A type of neurotransmitter that plays an important role in muscle activation and is involved in various brain functions.

Dopamine:

A neurotransmitter that is involved in reward, motivation, memory, attention, and even regulating body movements