Approximate Percentage of Lymphocytes in Lymphoid Organs and COMPARISON OF T, B, AND NK CELLS

Bone Marrow
Thymus
Blood
Lymph Nodes
Spleen

Lymphoid Organ

10%

Bone Marrow T Lymphocytes %

90%

Bone Marrow B Lymphocytes %

100%

Thymus T Lymphocytes %

0%

Thymus B Lymphocytes %

80%

Blood T Lymphocytes %

20%

Blood B Lymphocytes %

60%

Lymph Nodes T Lymphocytes %

40%

Lymph Nodes B Lymphocytes %

45%

Spleen T Lymphocytes %

55%

Spleen

BONE MARROW

NK cells Site of Development

spleen and liver

NK cells are found in:

Innate

NK cells Type of Immunity

CD16,CD56

NK cells Antigens include:

Thymus

T cells Site of Development

lymph nodes and thoracic duct fluid

T cells are found in:

Adaptive

T cells Type of Immunity

CD2
CD3
CD4
CD8

T cells Antigens include:

Bone Marrow

B cells Site of Development:

bone marrow
spleen
lymph nodes

B cells are Found in:

Adaptive

B cells Type of immunity

CD19, CD20, CD21
surface antibody

B cells Antigens include