Studies on the germinal center. I. Ultrastructural study of germinal centers in human lymph nodes with correspondence to the zonal differentiation.
D002454:Cell Differentiation; D006801:Humans; D008198:Lymph Nodes / Q000166:cytology*; D008214:Lymphocytes / Q000166:cytology / Q000254:growth & development*; D008264:Macrophages / Q000166:cytology; D008854:Microscopy, Electron