cytotoxic t cells, type of white blood cell, search and kills mutated or defective cells

attack bind biological biology blood cell cancer prevention cancerous cells cytotoxic defective defense destroy erythrocytes immune reaction response infected intracellular kill killer leukocyte lymphocyte lymphocytes medical medicals medicine metastasis microscopic mutated mutation oncology organism particle pathogens process receptor recognize research science signal system technology tumor search type white kills generated