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.
WT (A, C, E, G, I, and K) and SCN5AE558X/+ (B, D, F, H, J, and L) hearts were evaluated for fibrosis using Masson’s trichrome stain. Shown are representative sections from the sinoatrial node (A and B; dashed white outlines), AV node (C and D), proximal His bundle (E and F), left bundle branch (G and H), right bundle branch (I and J), and RVOT (K and L). Scale bars: 100 μm (A–J); 200 μm (K and L).
