upregulation
noun
up·reg·u·la·tion
ˈəp-ˌreg-yə-ˈlā-shən 
-ˌreg-ə-ˈlā-
-ˌreg-ə-ˈlā-
: the process of increasing the response to a stimulus
specifically
: increase in a cellular response to a molecular stimulus due to increase in the number of receptors on the cell surface
Cite this Entry
“Upregulation.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/upregulation. Accessed 30 Oct. 2025.
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