Assertion: immune system's cell | /r/CapableOf | migrate to local lymph nodes
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Source sentences:
text: For example, Langerhans dendritic cells in the skin phagocytose antigen and migrate to local lymph nodes; there, peptides derived from the antigen are expressed on the surface of dendritic cells within class II major histocompatibility complex (MHC) molecules, which present the peptide to