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.
Morphology of Caco-2 cell monolayers. Fluorescent microscope image showing the top view of a Caco-2 monolayer, where the cells’ borders can be distinguished by immunocytochemical staining of the tight junction protein ZO-1 (red) and DAPI counterstaining for nuclei identification (blue).
