High resolution image: The ascending part of the colon
This is a "normal" finding in colon, if the bowel has not been cleaned before the examination. It is very difficult - almoust impossible - to examine the colon without emtying.
High resolution image: The transverse part of the colon
A normal colon, with the typical haustration
High resolution image: The descending part of the colon
The normal colon mucosa with tiny blood vessels clearly seen.