腸 - intestines, guts, bowels

cecum; caecum; blind gut

stomach and intestines; gastrointestinal tract; digestive organs

Escherichia coli (E. coli)

intestine; bowel

large intestine; large bowel; colon

heartbreak; grief; sorrow

gastrointestinal disorder

colitis

typhoid fever; typhoid

sausage

catgut; sheepgut

gastrointestinal neurosis