While much research focuses on T and B cells entering lymphoid organs, Jason Cyster says he's more curious about how they get out. He and colleagues at the University of California San Francisco found ...

In the 1950s, T cells were yet to be described and the functions of lymphocytes were unknown. But animal experiments had shown that each day, enough lymphocytes enter the blood from the main ...

Intraepithelial lymphocytosis is a complex immunological phenomenon. It commonly affects the gastrointestinal tract, where damage to the lining of tissue causes the number of lymphocytes (a type of ...

Atypical lymphocytes are types of white blood cells that a person’s immune system produces. They help fight infections and diseases. High levels of atypical lymphocytes may indicate certain health ...