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.
Histological analysis of developing heart in NRG-2−/− mice. Sagittal sections of wild-type (A) and knockout (B) E12.5 embryos illustrate normal ventricular trabeculation (V) and atrium formation (At). EC, endocardial cushion. Magnification, ×10.
