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.
Optimisation of US image. Image demonstrating the near (single asterisk) and far (double asterisk) fields during scanning. The depth has been adjusted so that the structures in the near field comprise the majority of the image. The key anatomical structures that should be identified in the anatomical snuffbox include the distal radial artery (R), cephalic vein branches (C), extensor pollicis longus (EPL), extensor pollicis brevis (EPB), abductor pollicis longus (APL) and scaphoid (S).
