The Structure of the Immune System
Organs of the Immune System
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Lymph Node
The lymph node contains numerous specialized structures. T cells concentrate in the paracortex, B cells in and around the germinal centers, and plasma cells in the medulla. View credit information
Lymphatic Vessel
Immune cells and foreign particles enter the lymph nodes via incoming lymphatic vessels or the lymph nodes’ tiny blood vessels. View credit information
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