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.
Volume rendering from a CT scan with vascular contrast showing the posterior view of the knee including the hamstrings, popliteal fossa, and gastrocnemius muscles. From left to right, (a) grayscale (perceptual), (b) generic realistic coloring, and (c) perceptual realistic coloring.
