what is the function of stratified columnar epithelium? I know it's found in ducts of large glands, but I just don't know its function.
http://www.google.com/search?q=stratified+columnar+epithelium&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA
Several items here seem to explain it.