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) Image of acridine orange taken at 400 ms exposure stained white blood cells in whole blood. Image acquired with the miniature all-plastic objective. (b) Magnified image of granulocyte. (c) Magnified image of a lymphocyte. (d) Magnified image of a monocyte. Contrast has been enhanced for presentation purposes. Red-to-green ratios were calculated using raw data.
