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.
Microphotograph of the proximal femoral head of a 38-day-old broiler with definitive femoral head necrosis (hematoxylin and eosin stain; 5 μm section). Bacterial foci are circled. Arrows indicate an infected osteochondrotic cleft at the interface between the epiphyseal cartilage and the physeal cartilage. A degenerating penetrating epiphyseal vessel (pev) is associated with the cleft.
