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.
Previously published image (from Wojciak-Stothard et al. 1996) of a macrophage growing on 100 nm deep 5 μm wide grooves fabricated in silica. Fluorescent rhodamine–phalloidin stained. Note lines of actin corresponding to the grooves. Scale bar 5 μm.
