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.
Morophologic variants of sternal blood supply.
| Type 1 | Sternocostal branch with both sternal and perforating artery communicating with anterior intercostal artery |
| Type 2 | Sternocostal branch with perforating and anterior intercostal artery arising from common artery |
| Type 3 | Sternal-perforating branch not connected to the anterior intercostal artery |
| Type 4 | All sternal branches arise as separate arteries from common artery |
