Anatomy of germinal centers in human lymphoid tissue.
D000234:Adenoids / Q000166:cytology; D001065:Appendix / Q000166:cytology; D006801:Humans; D007421:Intestine, Small / Q000166:cytology; D008198:Lymph Nodes / Q000166:cytology; D008221:Lymphoid Tissue / Q000166:cytology*; D008867:Microtomy; D014066:Palatine Tonsil / Q000166:cytology; D013154:Spleen / Q000166:cytology