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.
Expression patterns of IHH, PTCH1, FGFR3, and BMP6 in E6 limb sections from wt and nm chick embryos. The mRNAs were detected by in situ hybridization with DIG-labeled RNA probes (signal was assigned the pseudo-color green). Sections were counterstained with DAPI.
