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.
In line drawing (B), dark grey tone indicates broken surface, light grey tone indicates restoration. Abbreviations: brfos, brevis fossa; isped, ischial peduncle; pbl, posterior blade; puped, pubic peduncle; sac, supraacetabular crest. Scale bar equals 50 mm.
