单词 | tyrosine |
释义 | ty·ro·sine (tīrə-sēn′) n. A nonessential amino acid, C9H11NO3, that is produced in the body from phenylalanine and is a precursor of melanin and of several neurotransmitters and hormones, such as epinephrine and thyroxine. [Greek tūros, cheese; see teuə- in the Appendix of Indo-European roots + -INE2.] |
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