Cross-section through a lymph node. The unconventional T cells (green), which have migrated from the tissue via the lymphatic channels, are located in the marginal sinus and in the interfollicular zone. Follicular B cells are shown in magenta, the lymph node capsule and lymphatic vessels in blue.
Cross-section through a lymph node. The unconventional T cells ( green ), which have migrated from the tissue via the lymphatic channels, are located in the marginal sinus and in the interfollicular zone. Follicular B cells are shown in magenta, the lymph node capsule and lymphatic vessels in blue. Lymph nodes trigger very different immune responses - depending on which body tissue they are connected to. Special T cells are responsible for this newly discovered relation. The human body contains 600 to 800 lymph nodes, which are specialised organs that trigger immune responses. To be informed about infections in the body, lymph nodes are connected to the individual organs via lymph vessels.
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