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Neurotransmitter

Meaning

A neurotransmitter is an endogenous chemical messenger that transmits signals across a chemical synapse from one neuron to another target cell, which may be another neuron, muscle cell, or gland cell. These molecules are essential for the rapid, precise communication within the central and peripheral nervous systems, coordinating everything from motor control to complex cognitive processes and mood regulation. Hormonal health is intrinsically linked to neurotransmitter balance, as endocrine signals frequently modulate the synthesis, release, and receptor sensitivity of these key chemicals. Understanding the status of these messengers is vital for assessing neurological and psychological well-being.