Its caliber is similar to that of the sigmoid colon at its commencement, but it is dilated near its termination, forming the rectal ampulla.
en.wikipedia.org It is only in the colon that bacteria metabolise inulin, with the release of significant quantities of carbon dioxide, hydrogen, and/or methane.
en.wikipedia.org The caecum receives chyme from the last part of the small intestine, the ileum, and connects to the ascending colon of the large intestine.
en.wikipedia.org Treatments, like some colon cleansers, that cause hard stools, constipation, and straining, are not recommended.
en.wikipedia.org