| 单词 | 嘌呤 |
| 释义 | 〔allantoin〕A white, crystalline oxidation product, C4H 6N 4O 3, of uric acid that is the metabolic end product of vertebrate purine oxidation and is used medicinally to promote tissue growth. 尿模素：一种白色晶状尿酸氧化物，C4H 6N 4O 3，该尿酸为脊椎动物嘌呤的代谢终产物，在医药方面用来刺激组织生长 〔transversion〕A point mutation in which a purine is replaced by a pyrimidine, or a pyrimidine is replaced by a purine.转置点，易位点：用嘧啶代替嘌呤或用嘌呤代替嘧啶的点突变〔nucleoside〕Any of various compounds consisting of a sugar, usually ribose or deoxyribose, and a purine or pyrimidine base, especially a compound obtained by hydrolysis of a nucleic acid, such as adenosine or guanine.核苷：由糖，通常是核糖或脱氧核糖和嘌呤或嘧啶基组成的化合物，尤指从核酸水解中获得的化合物，如腺嘌呤核苷或鸟嘌呤〔azathioprine〕An immunosuppressive agent used especially to prevent organ rejection in kidney transplant recipients.咪唑硫嘌呤：一种免疫抑制剂，特别用来防止肾脏移植者产生器官排斥〔hypoxanthine〕A white powder, C5H 4N 4O, that is an intermediate in the metabolism of animal purines. 次黄嘌呤：一种白色粉末，化学式C5H 4N 4O，在动物嘌呤的新陈代谢中起媒介作用 〔purine〕Any of a group of organic compounds derived from or structurally related to purine, including uric acid, caffeine, and the nucleic acid constituents adenine and guanine.嘌呤衍生物：从嘌呤衍生出来或在结构上与嘌呤有关的一组有机化合物的任一种，包括尿酸、咖啡因及核酸的组成成分腺嘌呤以及乌嘌呤等〔xanthine〕A yellowish-white, crystalline purine base, C5H 4N 4O 2, that is a precursor of uric acid and is found in blood, urine, muscle tissue, and certain plants. 黄嘌呤：一种黄白色结晶的嘌呤硷，C5H 4N 4O 2，它是尿酸的前身，常见于血液、尿液、肌肉组织和某些植物中 〔mercaptopurine〕A purine analogue, C5H 4N 4S, that acts as an antimetabolite by interfering with purine synthesis, used primarily in the treatment of acute leukemia. 颈基嘌呤：一种含硫类似物，化学式为C5H 4N 4S，是一种能干扰嘌呤的合成的抗代谢药，主要用于治疗急性白血病 〔purine〕A colorless crystalline organic base, C5H 4N 4, that is the parent compound of various biologically important derivatives. 嘌呤：一种无色晶体状有机碱C5H 4N 4，它是生物上许多重要衍生物的母体化合物 〔base〕One of the purines (adenine and guanine) or pyrimidines (cystosine, thymine, and uracil) that occurs attached to the sugar component of DNA or RNA.碱基：嘌呤（腺嘌呤和鸟嘌呤）或嘧啶（胸嘧啶、胸腺嘧啶和尿嘧啶）的一种，附着在脱氧核糖核酸或核糖核酸的糖分子上〔mononucleotide〕A nucleotide consisting of one molecule each of a phosphoric acid, a sugar, and either a purine or a pyrimidine base.单核苷酸：磷酸、糖、嘌呤或嘧啶碱基中的一种，它组成的一个分子的苷酸〔Fischer〕German chemist. He won a 1902 Nobel Prize for his work on the structure and synthesis of sugars and purines.费歇尔，埃米尔·赫尔曼：(1852-1919) 德国化学家，因在糖和嘌呤的结构和合成上的研究而获1902年诺贝尔奖 |
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