title: Relevance of "nurse cells' in histophysiology of lymphoid tissues.
mesh_terms: D000818:Animals; D000938:Antigen-Presenting Cells / Q000502:physiology; D002450:Cell Communication; D002454:Cell Differentiation; D004847:Epithelial Cells; D006801:Humans; D008214:Lymphocytes / Q000166:cytology; D014066:Palatine Tonsil / Q000166:cytology; D013950:Thymus Gland / Q000166:cytology*