Some phagocytes then travel to the body's lymph nodes and display the material to white blood cells called lymphocytes.

Some phagocytes then move to the body's lymph nodes and show the bacterial parts to white blood cells called lymphocytes.

It makes white blood cells, called lymphocytes, that protect the body against infections.

The cells of the adaptive immune system are special types of leukocytes, called lymphocytes.

A disease caused by this virus is a form of cancer of the blood cells called lymphocytes (a leukemia).

They are packed tightly with the white blood cells called lymphocytes and macrophages.

The drug apparently works by inhibiting production of certain immune system cells called lymphocytes.

Whatever the source, cells called lymphocytes react to this protein.

RA is associated with abnormal activation of immune cells called lymphocytes.

On previous flights, it was discovered that disease-fighting white blood cells called lymphocytes lost some of their responsiveness.