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.

A different population of T cells, the CD4 + T cells, function as "helper cells". Unlike CD8 + killer T cells, the CD4 + helper T (T H) cells function by further activating memory B cells and cytotoxic T cells, …

Nov 20, 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 determine …

Understand the complex life cycle, specialized functions, and critical role of T-cells in maintaining immunological health.

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 response and facilitating …

Sep 17, 2024 · Learn the essential roles of T cells, including their activation, types, functions, and related disorders in our comprehensive guide.

Nov 19, 2025 · T cells, or T lymphocytes, are a class of white blood cells and central agents of the adaptive immune response. This response is the body’s highly specific and long-lasting defense …

Sep 2, 2025 · T cells, specialized white blood cells, are central to cellular immunity by directly identifying and eliminating infected or cancerous cells, offering a precise and indispensable defense mechanism …

4 days ago · These cells, now known as regulatory T cells, monitor other immune cells and ensure that our immune system tolerates our own tissues. Paul Ehrlich famously described autoimmunity — the …

Nov 26, 2025 · While B cells make antibodies, T cells interact with infected cells or send signals. T cells are capable of distinguishing between self and non-self cells, which is key to avoiding autoimmune …