单词 | 5-hydroxyindole acetic acid |
释义 | 5-hydroxyindole acetic acid5-hydroxyindole acetic acid5-HIAA A biogenic amine found especially in the brain and other organs, which accounts for 1% of degraded tryptophan; 5-HIAA may be markedly–25-50-fold normal ↑ in carcinoid tumors, especially of the midgut–less commonly of lung and ovary–features of carcinoid syndrome–eg, bronchoconstriction, diarrhea, flushing, right-sided heart lesions, facial telangiectasia; 5-HIAA is also ↑ in Hartnup's disease, nontropical sprue, in some mental conditions Drugs Acetaminophen, caffeine, l-dopa, glyceryl, guaiacolate, heparin, nicotine, phenothiazine, reserpine, salicylates; 5-HIAA is ↓ in major GI tract resection, renal insufficiency, PKU, phenothiazine therapy |
随便看 |
英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。