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.
Plexiform lesion of pulmonary hypertension. This classical plexiform lesion is composed of a pulmonary artery profile (upper right of centre) with an adjacent glomeruloid structure (lower left of centre). An early dilatation lesion is also present here (thin-walled, dilated vessels at the edges of the complex). H&E stain, 40× original magnification.
