noun[mass noun] Biochemistry
- A protein, released by killer cells of the immune system, which destroys targeted cells by creating lesions like pores in their membranes.More example sentences
- The CD8 cells of long-term nonprogressors produce more perforin than do CD8 cells of HIV-positive people who developed AIDS, the scientists found.
More definitions of perforinDefinition of perforin in:
- The US English dictionary