microcytotoxicity test

mi·cro·cy·to·tox·ic·i·ty test -.sīt-ō-.täk-'sis-ət-ē- n a procedure using microscopic quantities of materials (as complement and lymphocytes in cell-mediated immunity) to determine cytotoxicity (as to cancer cells or cells of transplanted tissue) called also microcytotoxicity assay