Cytosin

== German == === Etymology === Discovered and named by the German biochemists Albrecht Kossel and Albert Neumann in 1894 when it was hydrolyzed from calf thymus tissues. From Ancient Greek κύτος (kútos). === Pronunciation === === Noun === Cytosin n (strong, genitive Cytosins, no plural) cytosine (a base which appears in DNA) ==== Declension ==== === References === “Cytosin” in Duden online