<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2017) (Learn how and when to remove this template message) </Td> </Tr> <P> Cell - mediated immunity is an immune response that does not involve antibodies, but rather involves the activation of phagocytes, antigen - specific cytotoxic T - lymphocytes, and the release of various cytokines in response to an antigen . </P>

Name four types of lymphocytes involved in cellular immunity