An inflammatory disorder of the lower intestinal tract, usually caused by a bacterial, parasitic, or protozoan infection and resulting in pain, fever, and severe diarrhea, often accompanied by the passage of blood and mucus.

• 痢疾一种下肠道的炎症，主要由细菌、寄生虫或原生动物传染所致。患者感到疼痛、发烧和严重腹泻，并伴有排血和粘液