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.
(A) In esophageal development, the normal process of epithelial maturation (columnar to stratified squamous) is opposite of what is seen in Barrett’s esophagus, in which the stratified squamous epithelium lining the adult esophagus undergoes columnar metaplasia. (B) Columnar CK8 and squamous CK14 immunohistochemistry in mouse E14.5–E17.5 esophagus and P2 esophagus. Scale bars: 50 μm.
