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.
The growth of HUVECs in the core-sheath filaments. (A) The schematic of printing core-sheath filaments laden with HUVECs in the core collagen line. (B-D) The morphology of HUVECs within the filaments during 14 days in static culture. (E) The 3D structure of the formed circular vessel within the filament. (F) The morphology of the core-sheath filament after 14 days in culture.
