also: おおわた
I decided to have my large intestine examined.
大腸は水分を吸収する働きがある。
The large intestine functions to absorb water.
The exam revealed that a polyp had formed in his large intestine.
My colon has been feeling off lately, so I went to the hospital.
They surgically removed part of his large intestine in the operation.
colonoscope · colonoscopy
colonoscopy
irritable bowel syndrome; IBS
Obsolete kana reading; not used in modern Japanese.