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perforin

[ pur-fer-in ]
/ ˈpɜr fər ɪn /
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noun Biochemistry.
a protein produced by killer cells of the immune system that causes disintegration of targeted cells by forming pores in their membranes.
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Origin of perforin

First recorded in 1980–85; perfor(ate) + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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