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 physiological angiogenic cascade. Stable vessels (A) undergo a vascular permeability allowing extravasation of plasma proteins (B). MMPs degrate the extracellular matrix liberating growth factors (C). ECs proliferate and migrate (D) and undergo morphogenesis and assemble as lumen-bearing cords (E).
