单词 | ornithine |
释义 | Word Frequency ornithine(ˈɔːnɪˌθiːn) noun an amino acid produced from arginine by hydrolysis: involved in the formation of urea in the liver; diaminopentanoic acid. Formula: NH2(CH2)3CHNH2COOH Word origin C19: from ornithuric (acid) secreted in the urine of birds, from ornitho- + uric |
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