antimetabolite

1. Antimetabolite: Substance that competes with, replaces, or inhibits a specific compound within a cell, whose functioning is thereby disrupted.
   抗代谢物：对于活细胞利用或合成其所需物质过程中的基本化学变化具有特异拮抗作用的物质。
2. An antimetabolite used to treat certain cancers.
   用来治疗某种癌症的抗代谢药物。
3. Methotrexate ( MTX) is an antimetabolite of folic acid which has been used for a long time in thechemotherapy of tumours.
   氨甲叶酸（简称MTX）为甲酰四氢叶酸的抗代谢物，长期以来一直用作治疗肿瘤的化疗药物。
4. Effects of surgical therapy are not ideal. Parmaceutical studies have been developed, including antimetabolite, corticosteroid, nutramines, calcium-channel blockers, gene therapy and so on.
   由于PVR的手术治疗效果仍不理想，许多学者已经研究了多种药物防治PVR，包括抗代谢药物、皮质类固醇药物、维生素类药物、钙通道阻滞剂以及基因治疗等。
5. Callus induction and antimetabolite mutant selection for pineapple
   EMS诱变菠萝愈伤组织选择抗性突变体的研究
6. In conclusion, the abnormal clone, induced by cytogenetics abnormity, oncogene and chromatosome damnification caused by antimetabolite yield, may be a reason of occurrence of second tumor.
   初步研究结果提示，细胞遗传学的异常、癌基因的存在，以及抗代谢药（羟基脲等）损伤染色体，产生异常的克隆，可能是发生第二肿瘤的原因。
7. Thus, one focus of the glaucoma filtering surgery is the combination of antimetabolite and implantation.
   因此，目前提高青光眼滤过手术成功率的主要手段之一就是植入物与抗代谢药物的结合。
8. The chemotherapy of tumor is one the three general therapeutics in clinic therapy, now chemotherapy is developed into many systems which includes alkylating agent 、 antimetabolite 、 biologic response regulator.
   肿瘤的化疗是临床治疗的三大常规疗法之一，目前化疗已经发展成为包括烷化剂、抗代谢剂、分化诱导剂、生物反应调节剂等多个体系。

noun

1. an antineoplastic drug that inhibits the utilization of a metabolite