On the contrary,where the collagenous fibrils dissolved and damaged,the basal membrane damaged,the fibroblast rarely found in the connective tissues,the epidermoid cells were poorly differentiated.

• 相反，上皮下结缔组织内胶原纤维溶解破坏，基底膜破损部位以及成纤维细胞稀少部位，上皮细胞分化较低。