T Cell

∞ generated and posted on 2016.03.18 ∞

Lymphocytes that mediate cellular immunity (both helper and cytotoxic).


Figure legend: Immature T lymphocytes (dark dots, as developing within a fetal thymus), a type of immune system cell. These cells battle microbial pathogens within the body and are associated with the productive response to vaccination. Shown is a stained, fixed tissue sample that has been magnified approximately 1000-fold.