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.
Example of chest wall layers. Green line area: skin layer including skin and subcutaneous tissue; yellow line area: pectoralis layer including pectoralis major and pectoralis minor; red line area: rib layer including rib and intercostal muscle.
