An official website of the United States government
Here's how you know
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.
Cross section of ascending pharyngeal artery obtained 3 hr after clot injection seen at ×15 magnification. Hematoxylin and eosin staining reveals an intact endothelium, with no evidence of vessel wall disruption or subintimal hemorrhage. Solid thrombus fills the vessel lumen.