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.
Movement of molecules from blood to body tissues. In general, the rate of distribution may be limited by blood flow (perfusion-rate limited, a) or the membrane permeability (permeability-rate limited, b). Mechanisms of transvascular transport: convection, due to the pressure gradient (c), and diffusion, primarily due to the concentration gradient (d)
