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.
Electron microscopic (EM) micrographs of hepatocytes of the negative control group. (a, b) EM micrographs showing normal hepatocytes, nucleus (N), mitochondria (m) and rough endoplasmic reticulum (RER) with their preserved structures. (c) EM micrograph showing Kupffer cell (arrowhead). Scale bars of figure a = 2 μm, and scale bars of figures b and c = 500 nm.
