Increased pressure in the colon causes numerous thin-walled out-pouches (diverticula) to develop in the bowel wall, a chronic condition known as diverticulosis.
结肠内压增加使结肠壁出现薄壁憩室，一种称为憩室病的慢性病理状态。
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The colon has been opened to reveal the presence of non-inflamed diverticula. Each has an opening to the colonic lumen through a narrow neck.