Cellular immunity

Cellular immunity, also known as cell-mediated immunity, is a critical component of the immune system that involves the activation of immune cells to recognize, target, and destroy infected or abnormal cells in the body. It plays a vital role in defending against intracellular pathogens, such as viruses, some bacteria, and abnormal cells like cancer cells. Here are key points about cellular immunity:

1. Cell Types Involved:
   - Cellular immunity primarily involves T lymphocytes (T cells), a type of white blood cell. There are two main types: cytotoxic T cells and helper T cells, each with specific functions in the __________ __________ ______ __________ ___ _______ ___ ___ _____ __________.
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