Bowel diversion surgery allows stool to safely leave the body when (because of disease or injury) the large intestine is removed or needs time to heal. Bowel is a general term for any part of the small or large intestine.
A topical medication is a medication that is applied to a particular place on or in the body, as opposed to systemically.
topical. Definitions: 1. Relating to a definite place or locality; local. The definition information for topical is provided by Stedman's. You can search our medical dictionary here.