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, Head region of a midgestation mouse embryo, with first and second arch highlighted in turquoise and red, respectively. B,C. Immunofluorescence using Pcp4 antibody (green) stains cells isolated from IIBA (B), but not IBA (C). Nuclear staining is blue (DAPI).
