thymidine kinase

noun

Medical Definition of thymidine kinase

: an enzyme that catalyzes the phosphorylation of thymidine in a pathway leading to DNA synthesis, that is active especially in tissues undergoing growth or regeneration, and that is the key enzyme mediating replication in certain viruses (as the herpesvirus causing herpes simplex)

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Dictionary Entries Near thymidine kinase

thymidine

thymidine kinase

thymidylate

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Cite this Entry

“Thymidine kinase.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thymidine%20kinase. Accessed 26 Oct. 2021.

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