释义 |
cy·to·sine \ˈ ̷ ̷ ̷ ̷ˌsēn, -ˌzēn, -_sə̇n\ noun (-s) Etymology: International Scientific Vocabulary cyt- + -ose + -ine; originally formed as German zytosin : a crystalline pyrimidine base C4H5N3O obtained especially by hydrolysis of nucleic acids and also made synthetically; 4-amino-2(1H)-pyrimidin-one |