T lymphocytes run cell-mediated immunity — they don't make antibodies; they directly coordinate and kill. They only act when an antigen is presented to them. Tap each type.
Helper T cell
T cellscell-mediated immunity
The T cells
Presentation: cells display antigen fragments on MHC proteins — MHC I on all cells (checked by cytotoxic T), MHC II on antigen-presenting cells (checked by helper T).
📷 Reference image
A real labeled figure to compare with the interactive above.
T Cells — Harlé, G.; Kowalski, C.; Garnier, L.; Hugues, S., CC BY 4.0 (via Wikimedia Commons)
