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–H) Electron micrographs showing a series of ultrathin sections taken through a flat noninvaginating synaptic contact made by a putative OFF-cone bipolar cell dendrite labeled for GluR2 at a rod spherule in the OPL of rat. The presynaptic ribbon in the rod spherule is marked by an arrowhead. Bar = 0.2 μm.
