Quick Review Cards for Medical Laboratory Science

Subpopulations of Lymphocytes Immunology Review 378

Thymus Bone marrow

T Cells

60-80%

B Cells

10-20%

NK

Lymphocytes

< 20%

Lymphocyte

stem cell

T-helper T-suppressor

(From Ciesla B. Hematology in Practice, 2nd ed. Philadelphia: FA Davis; 2012:136.)