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.
Spectral sensitivity of generated photoreceptor/post-receptoral mechanism templates. S-cones are represented by a violet line, M-cones by a dark green line, L-cones by a red line, rods by a black line and the M- versus L-mechanism by a gray line.
