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.
Verhoeff-Van Gieson (VVG)-stained transverse and longitudinal sections of the representative young (14-year-old, left), and old (69-year-old, right) FPAs before (top) and after (bottom) accumulation of damage. Note tears along the internal and external elastic laminae from the tunica media side, and tears within the medial layer. Also note significantly more degraded and fragmented longitudinal elastic fibers in the external elastic lamina of the old FPA compared with young.
