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.
Effects of noggin on E16 cortical cells grown at low density with FGF2 10 ng/ml. Photomicrographs of cells grown with FGF2 alone (A, C) or FGF2 plus noggin 100 ng/ml (B, D) for 8 div. A,B, β tubulin III staining. C,D, O4 staining. Scale bar, 15 μm.
