You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is CD marker of Cytotoxic T Cell Marker is? and explain in detail?
ananthanarayanan textbook of microbiology 9th edition. *cytotoxic T cells with CD8 surface markers and MHC class 1 restriction can kill and lyse target cells carrying new or foreign antigen