Monoamine neurotransmitter
Monoamine neurotransmitter
A Monoamine neurotransmitter (/mɒnoʊˈæmiːn/; from Greek: monos, "one" + amine) is a type of neurotransmitter that contains one amino group connected to an aromatic ring by a two-carbon chain (-CH2-CH2-). The major monoamines are dopamine, norepinephrine, and serotonin; all of which are synthesized from aromatic amino acids.
Etymology
The term "monoamine" is derived from the structure of these neurotransmitters, which are composed of one (mono-) amine group. The term "neurotransmitter" is derived from their role in transmitting signals across neurons in the brain.
Function
Monoamine neurotransmitters play a crucial role in the modulation of various physiological functions such as mood, arousal, and attention. They are involved in the regulation of a wide range of psychological and physical functions, including emotion, reward, cognition, and motor control.
Related Terms
- Dopamine: A type of monoamine neurotransmitter that plays several important roles in the brain and body.
- Norepinephrine: A monoamine neurotransmitter that is involved in the body's response to stress.
- Serotonin: A monoamine neurotransmitter that contributes to feelings of well-being and happiness.
- Neuron: A nerve cell that is the basic building block of the nervous system.
- Neurotransmitter: Chemicals that transmit signals across a synapse from one neuron to another.
See Also
External links
- Medical encyclopedia article on Monoamine neurotransmitter
- Wikipedia's article - Monoamine neurotransmitter
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