Figure 3-9 (2nd ed.): Antigen Markers on Mature Lymphocyte Populations

Schematic representation of some of the membrane molecules present on mature T and B lymphocytes, and natural killer (NK) cells. Molecules involved in specific binding of antigen are shown in purple. CD16 (FcgRIII) on NK cells and CD32 (FcgRII) on B cells are receptors for the Fc region of IgG. CD21 and CD35 on B cells are receptors for complement components. Most TH cells express CD4, whereas most TC cells express CD8 (as do some NK cells).

Mature Lymphocyte Populations
B lymphocytes

antibody-producing cells

T lymphocytes

TH cell / TC cell

KUBY'S FIGURE 3-9 (2nd ed.)
NK (natural killer) lymphocyte

large granular lymphocyte (LGL)

© 1997, Duane W. Sears


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Immunology, January, 1997

Last Updated: June 24, 1997