mucosal surface的用法和样例：
例句
- Adenomatous polyps are visible protrusions that can develop on the mucosal surface of the colon or rectum.
腺瘤性息肉是可见的突起，可在结肠或直肠黏膜表面形成。 - Inflammation with ulcerative colitis tends to be continuous along the mucosal surface and tends to begin in the rectum.
溃疡性结肠炎趋向于持续沿黏膜表面浸润和趋向于在直肠开始。
