而超微结构改变以软骨细胞破碎的比较多见，有的软骨细胞则增生，基质胶原原纤维明显减少。
Many broken cartilage cells could be observed and matrix collagenous fibril decreases obviously, but some cartilage cells proliferated.
电镜下见成纤维细胞胞膜基底部向HA-ECM内伸出数个突起，细胞与羊膜基质粘附相当牢固，胞外有较多胶原原纤维堆积。
The basal membrane of fusiform fibroblasts with oval nucleus and rich in chromatin reached much protuberance into matrix of HA ECM and collagen fibril cumulating outside cells.
FLT3L是通过t细胞和基质纤维原细胞产生(1,2)。
FLT3L is produced by t cells and stromal fibroblasts (1, 2).
应用推荐