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[DOI] [PubMed] [Google Scholar] 67.Carroll JK, Kohli S, Mustian KM, Roscoe JA, Morrow GR

treatment for hyperpigmented scars

Name:Bundle15537_2025-08-22T10:31:407

In mammalian nervous systems, many different types of chemical substances, including amino acids (e.g., glutamate), monoamines (e.g., dopamine, norepinephrine), acetylcholine, peptides (e.g., substance P), serve as neurotransmitters to bind their corresponding receptors, then activate ion channels, and consequently produce ion flux 1 , thereby inducing membrane potential changes that lead to signal propagation for neurotransmission 1,2,3,4