tyrosine
n. An amino acid the body synthesizes from phenylalanine, which is the chemical precursor to the neurotransmitters dopamine, norepinephrine, and epinephrine, as well as the pigment melanin and the thyroid hormone thyroxin.
n. An amino acid the body synthesizes from phenylalanine, which is the chemical precursor to the neurotransmitters dopamine, norepinephrine, and epinephrine, as well as the pigment melanin and the thyroid hormone thyroxin.
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