skos:definition |
MSH: The activated center of a lymphoid follicle in secondary lymphoid tissue where B-LYMPHOCYTES are stimulated by antigens and helper T cells (T-LYMPHOCYTES, HELPER-INDUCER) are stimulated to generate memory cells.,NCI: The activated center of a lymphoid follicle in secondary lymphoid tissue where B-Lymphocytes are stimulated by antigens and Helper-Inducer T-Lymphocytes are stimulated to generate memory cells. (MeSH)
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