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.
Schematic representation of nigrosome-1 on SWI (asterisks), a subregion in the ventrolateral substantia nigra pars compacta lacking susceptibility bordered by two lines of susceptibility resembling a swallow tail. R – red nucleus, M – mammillary body.
