tyrosine
noun/ˈtaɪrəsiːn/
Frequency rank: #14,953 most common English word
Meaning
An amino acid found in many proteins that serves as a precursor to neurotransmitters and hormones such as dopamine and thyroid hormones.

Example sentence
Researchers discovered that tyrosine plays a key role in producing dopamine and other important neurotransmitters.
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