Monoclonal B-cell lymphocytosis (MBL) is a condition in which a person has an excessive amount of abnormal B cells, which are a type of white blood cell known as lymphocytes. The number of abnormal B ...

To fight off viral and bacterial invaders, immune cells known as lymphocytes generate antibodies that specifically recognize and bind to these invaders, neutralizing them directly or marking them for ...

Fan pattern A, so-called classical B-cell-rich nodular pattern: Clusters of single LP cells are embedded within enlarged follicles/nodules predominantly composed of small B-cells. Reactive T-cells are ...

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.