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.
In vivo two-photon time-lape microscopy of blood vessels (in red), and a fluorophore spreading first in the perivascular space along arterial vessels (denoted A) and then into the parenchyma and along venules (denoted V), to effectively reveal the glymphatic system in function. From Iliff et al., 2013b, with permission.
