An official website of the United States government
Here's how you know
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.
GFP in rat lung at 9 months of age. Lungs from rats infected in utero at 16 days gestation were fixed and mounted in paraffin. GFP was visualized by immunohistochemistry staining. Original magnification 200X