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.
A typical new plaque filled with foamy macrophages. The halo effect is due in part to myelin loss and the presence of numerous gemistocytic astrocytes. Commencing clearing around the central vessel is due to beginning migration of foamy macrophages to the perivascular space of the vessel (Case 14, frozen section, Oil Red O, ×80).
