- 大肠杆菌 dàchánggǎnjūn E. coliEscherichia coli; a type of bacteria commonly found in the lower intestines of humans and other warm-blooded animals
- 大肠菌 dàchángjūn colon bacilluscolon bacillus; coliform bacteria; a short rod-shaped bacterium found in the intestines of humans and other vertebrates that is often used as an indicator of water or food contamination
- 大肠粘膜炎 dàchángniánmóyán colitisinflammation of the mucous membrane of the large intestine
- 大肠激躁症 dàchángjīzàozhèng irritable bowel syndromeirritable bowel syndrome; IBS
- 大肠包小肠 dàchángbāoxiǎocháng small sausage in large sausagea Taiwanese street food specialty consisting of a grilled pork sausage wrapped inside a larger grilled glutinous rice sausage
- 大肠炎 dàchángyán colitisInflammation of the large intestine, often caused by bacterial infection, allergy, or stress, characterized by diarrhea and abdominal pain