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.
Immunohistochemical observations demonstrated histiocytic cells that were positive for CD1a expression, which was consistent for cells of Langerhans' origin. The image depicts an immunoperoxidase staining technique (original magnification, ×400).
