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.
Cartilage volume fractions of extrafibrillar fluid (circles), proteoglycans (crosses), and collagen (boxes) as functions of the normalized sample depth. The depth-dependent tissue properties were adapted from Wilson et al. (see main text for more details).
