Microscopically, the inflammation of ulcerative colitis is confined primarily to the mucosa. Here, the mucosa is eroded by an ulcer that undermines surrounding mucosa.
英
美
- 显微镜,溃疡性结肠炎最初限制在黏膜,溃疡破坏局部粘膜同时逐渐破坏周围粘膜。