Wiktionary
t cells
n. (plural of T cell English)
Usage examples of "t cells".
He tried to figure out what the Lizards in those rooms that weren't cells were up to.
The virus is recognized by the T cells as part of El Supremo, because its protein coat looks like the right MHC molecules.
The virus can continue the process of cell invasion and reproduction, and the T cells will leave it alone.
Mammalian immune systems in fact already work in this way: they 'learn' to recognize and destroy enemy proteins as a result of differential reproduction rates among widely varying T cells.