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 micrograph (A) and electron tomographic reconstruction (B) of the intercellular space between a cultured colon cancer cell and a suspended hepatocyte after 1 hr coculture showing electron-dense molecular contacts. The reconstructed area (0.45 μm x 0.28 μm) is indicated. Thickness of the ultrathin section was 120 nm. Bar = 1 μm.
