The hypercellularity of post - streptococcal glomerulonephritis is due to increased numbers of epithelial , endothelial , and mesangial cells as well as neutrophils in and around the capillary loops 鏈球菌感染后的細胞大量增生,表現(xiàn)為在毛細血管袢內(nèi)及周圍的血管內(nèi)皮細胞、系膜細胞增生,伴中性粒細胞和巨噬細胞浸潤。