Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Urea flux was significantly higher in human ascending colon, compared with descending colon, for both apical-basolateral and basolateral-apical directions. Papp, apparent permeability coefficient. *P < 0.05 by unpaired t-tests (n = 6 patients).
