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 schematic illustrating the threshold (apex of triangle) and magnitude (width of triangle) for four factors that cumulatively mediate the glucagon response to hypoglycemia. IPN, Islet parasympathetic nerves; EPI, epinephrine; ISN, islet sympathetic nerves; dashed line, unconfirmed.
