Lymphatic Cells & Lymphatic Tissue
Lymphatic Cells & Lymphatic Tissue
Lymphatic Cells & Lymphatic Tissue
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<strong>Lymphatic</strong> Organs<br />
These are locations where we find the “lymphoid tissues”)<br />
• lymphatic organs have well-defined anatomical sites<br />
– connective tissue capsule<br />
– separates the lymphatic tissue from neighboring tissues<br />
• primary lymphatic organs<br />
– red bone marrow and thymus<br />
– site where T and B cells become immunocompetent<br />
• able to recognize and respond to antigens<br />
• T and B cells develop plasma membrane receptors matched to the pathogen’s<br />
antigen<br />
• secondary lymphatic organs<br />
– lymph nodes, tonsils, and spleen<br />
– where we can find immunocompetent cells
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