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, inverted image of AFN with extensive axonal collaterals indicated by arrows. B, images of another four AFNs two of which have extensive axonal collaterals. Calibration bar, 20 μm. Dashed lines represent the borders between laminae I, II (SG) and III.
