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.
Sketch of a simplified neuron geometry and its surroundings; the extracellular domain Ωe, the cell membrane Γ, and the intracellular domain Ωi. The normal vector pointing out of Ωi, is denoted by ni and, similarly, ne denotes the normal vector pointing out of Ωe.
