The cortical cells didn't present orthocortex and paracortex, which is different from wool fiber.
与羊毛纤维不同，粗牦牛尾毛纤维皮质细胞中不存在正副皮质之分；
2
Histopathology shows the necrosis of cortex or paracortex of lymph node, with histiocytes and lymphocyte proliferation, nuclear debris and without infiltration of neutrophils.