T Lymphocyte

Thymus-matured white blood cell orchestrating adaptive cellular immunity.

Core Characteristics

• Helper (CD4+) cells coordinate; cytotoxic (CD8+) cells kill infected targets.
• Recognizes antigen presented on MHC molecules via the T-cell receptor.
• Memory subsets confer lasting immunity after infection.

Related Concepts & Sources

Cytotoxic T Lymphocyte, Helper T Lymphocyte, B Lymphocyte