Neurotransmitters

Definition

Neurotransmitters are chemical messengers in the brain responsible for transmitting signals between nerve cells and play a crucial role in how we think, feel, and function.

Scientific / Technical Definition

Neurotransmitters are endogenous chemicals that enable neurotransmission. They are a type of chemical messenger which transmits signals across a chemical synapse, such as a neuromuscular junction, from one neuron (nerve cell) to another 'target' neuron, muscle cell, or gland cell. These chemicals are synthesized by neurons and are released to bind to receptors on nearby neurons, allowing communication among nerve cells.

Benefits

• Facilitate communication between brain cells
• Influence mood, sleep, and memory
• Assist in controlling bodily functions such as heart rate and digestion

Examples

• Dopamine
• Serotonin
• Acetylcholine
• Norepinephrine

Additional Information

• Importance: Neurotransmitters are essential for proper brain and nervous system function, affecting everything from mood to physiological processes.

Related Terms

• Serotonin
• Dopamine
• Acetylcholine
• Synapse

References

• Neurotransmitters: The Brain's Chemical Messengers
• The Role of Neurotransmitters in the Brain