Taber's Medical Dictionary
cytosine
(sī′tō-sĭn )
To hear audio pronunciation of this topic, purchase a subscription or log in.C4H5N3O; a pyrimidine base that is part of DNA and RNA. In DNA it is paired with guanine.
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Citation
Venes, Donald, editor. "Cytosine." Taber's Medical Dictionary, 25th ed., F.A. Davis Company, 2025. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/742511/0/cytosine.
Cytosine. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2025. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/742511/0/cytosine. Accessed April 19, 2026.
Cytosine. (2025). In Venes, D. (Ed.), Taber's Medical Dictionary (25th ed.). F.A. Davis Company. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/742511/0/cytosine
Cytosine [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2025. [cited 2026 April 19]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/742511/0/cytosine.
* Article titles in AMA citation format should be in sentence-case
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