Function
The major role of marginal zone is to trap particulate antigen from the circulation and present the antigen to the lymphocytes of the spleen.
Experiments have shown that inert latex beads as well as live bacteria such as Escherichia coli and Listeria monocytogenes are trapped by the marginal zone. However, only immunogenic substances, i.e. bacteria, are trafficked to the T and B cell zones of the white-pulp and are efficiently presented to elicit an immune response.
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