T cells are a type of white blood cell that help your immune system fight germs and protect you from disease. There are two main types: cytotoxic and helper T cells.

Cytotoxic T cells (T C cells, CTLs, T-killer cells, killer T cells) destroy virus-infected cells and tumor cells, and are also implicated in transplant rejection.

Oct 27, 2025 · A T cell is a type of white blood cell that is an essential part of the immune system. T cells are one of two primary types of lymphocytes—B cells being the second type—that …

T cells play critical roles in the immune system, including in responses to cancer, autoimmunity, and tissue regeneration. T cells arise from common lymphoid progenitors (CLPs) that …

5 days ago · How T Cells Differ from Other Immune Cells T cells are different from B cells and macrophages. While B cells make antibodies, T cells interact with infected cells or send …

Jan 10, 2025 · There are several different types of T cells, each playing a distinct role. The functions of T cells include killing pathogens and damaged cells, moderating the immune …

Feb 16, 2011 · Instead, T-cells are like a special forces unit that fights only one kind of virus that might be attacking your body. More than one kind of T-cell. There are two types of T-cells in …

Mar 11, 2023 · They maintain immune homeostasis in humans over decades but can also be responsible for inflammatory or autoimmune diseases. The role of T cells is slightly modified …

Learn how T Helper cells orchestrate the immune system’s adaptive response, from activation and specialization to the critical consequences of their imbalance.

What are T cells? T cells are a type of white blood cell that play a critical role in the body’s immune system. They are part of the adaptive immune response, which enables them to …