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.
Lumens of vessel-like structures. Paraffin-embedded sections cut perpendicular to the stretching direction contained lumen-like structures, as observed by staining for CD31 (an endothelial marker). Shown is CD31 (red) and DAPI (blue) staining, demonstrating lumens of vessel-like structures, which are marked with arrows.
