Question

What is the physiological role of dopamine in the body?

midbrain mediator

inflammatory mediator

higher brain inhibitory mediator

excitatory neurotransmitter of autonomic NS

digestive hormone mediator​

Answer 1

Answer:

In the brain, dopamine functions as a neurotransmitter—a chemical released by neurons (nerve cells) to send signals to other nerve cells. The brain includes several distinct dopamine pathways, one of which plays a major role in the motivational component of reward-motivated behavior.

Receptors: D1, D2, D3, D4, D5, TAAR1

Source tissues: Substantia nigra; ventral tegmental area; many others

Other names: DA, 2-(3,4-Dihydroxyphenyl)ethylamine, 3,4-Dihydroxyphenethylamine, ...

Precursor: Phenylalanine, tyrosine, and L-DOPA

Explanation:

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