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.
Coronary anastomoses or collaterals. A) intercoronary ventricular and (B), atrial. C) homocoronary anastomoses. Note the innumerous collaterals joining different intramural branches at any level of their course. They have frequently a corkscrew aspect (D) visible also histologically (E), as adaptation to cardiac contraction-relaxation cycle.
