Figure 1.
(a) Diagrammatic demonstration of vascular system and regional classification of blood vessel and (b) schematic illustration showing the trends in fabrication of tissues with vascularized structures.
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.