| 单词 | 前体 |
| 释义 | 〔proinsulin〕A single-chain polypeptide that is the precursor of insulin, converted into insulin by enzymatic action.胰岛素原：单健的多酞，是胰岛素的前体，通过酶的作用变成胰岛素〔precursor〕A biochemical substance, such as an intermediate compound in a chain of enzymatic reactions, that gives rise to a more stable or definitive product:前体：生化物质，如一连串酶反应中的中间化合物，可形成更稳定或明确的结果：〔provitamin〕A vitamin precursor that the body converts to its active form through normal metabolic processes. Carotene, for example, is a provitamin of vitamin A.维生素原：一种由身体通过正常新陈代谢过程，将其转化成活跃形式的维生素的前体，比如，胡萝卜素是维生素A的维生素原〔trypsinogen〕The inactive precursor of trypsin, produced by the pancreas and converted to trypsin in the small intestine by enterokinase.胰蛋白酶原：胰蛋白酶的惰性前体；由胰制造并由肠激酶在小肠内转化为胰蛋白酶〔lipotropin〕A hormone produced by the anterior pituitary gland that promotes the utilization of fat by the body and is a precursor to the endorphins.促脂素：一种垂体前叶腺产生的激素，可促进身体对脂肪的利用，是内啡肽的前体〔hydroxyurea〕An antineoplastic drug, CH4N 2O 2, that suppresses the production of blood cell precursors in the bone marrow and is used in the treatment of certain leukemias, carcinomas, and sickle cell anemia. 羟基尿素：抗肿瘤药剂，CH4N 2O 2，抑制骨髓中血细胞前体的产生，用于治疗某些白血病、癌和镰状细胞性贫血 〔proenzyme〕The inactive or nearly inactive precursor of an enzyme, converted into an active enzyme by proteolysis. Also called zymogen 酶原：酶的非活性或近似非活性的前体，通过蛋白质水解过程转变成活性酶 也作 zymogen〔myoblast〕An undifferentiated cell in the mesoderm of the vertebrate embryo that is a precursor of a muscle cell.成肌细胞：未分化细胞，在作为肌细胞前体的脊椎动物胚胎的中胚层内〔plasminogen〕The inactive precursor to plasmin that is found in body fluids and blood plasma.血纤维蛋白溶酶原：血纤维蛋白溶酶不活跃的前体，常发现于体液和血浆中〔prosoma〕The anterior or cephalic portion of the body of certain invertebrates, such as arachnids, in which segmentation is not evident.前体：某些无脊椎动物比如蜘蛛类动物的头部或前面部分，在这一部位环节不明显〔prodrug〕An inactive precursor of a drug, converted into its active form in the body by normal metabolic processes.药物前体，潜药：药物的静止性前体，通过正常的新陈代谢过程在体内转化成其活性形态 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。