T cells are white blood cells that are important for adaptive immunity. They have unique cell surface receptors that are generated by randomly assorting genes. These receptors allow T cells to ...

Colorized scanning electron micrographs of a B and T lymphocyte shown with a fluorescent microscopy image of the previously unseen "X lymphocyte," which is a hybrid of the other two immune cells.

The image shows a confocal microscope image of ... lining of the intestine called a Peyer's patch. Here, B and T cells interact to mediate an effective antibody response against the gut microbiota.