Fig. 2 Schematic drawing shows the levoatrial cardinal vein connected to the left atrium without a brachiocephalic vein. The intercaval connection was provided by 2 collateral vessels.
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.