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.
Human femur, 70-year-old female, bone removed at operation from subcapital fracture case, showing densely mineralized crack (arrows), mostly in calcified fibrocartilage at periphery of cortex. 20-kV BSE of PMMA-embedded, polished, carbon-coated sample. Field width, 178 µm.
