1. Plural of cytidine; nucleosides composed of the pyrimidine base cytosine linked to a ribose sugar, found in RNA and important in cellular metabolism.
Usage: biochemistry; molecular biology; technical term

Examples

• Cytidines are key components of RNA molecules in all living cells.
• The researcher isolated cytidines from the cell extract to study their role in protein synthesis.
• Cytidines can be phosphorylated to form nucleotides used in RNA synthesis.
• The concentration of cytidines in the sample was measured using chromatography.
• Modified cytidines are sometimes incorporated into RNA for therapeutic purposes.