Indirect immunostaining of the membrana limitans externa in the mouse retina (dilution 1 : 20000). MPP 4 positive structures have been revealed with fluorochromated secondary antibodies.

PhRS: Photoreceptor segments
ONL: Outer nuclear layer
OPL: Outer plexiform layer
INL: Inner nuclear layer
IPL: Inner plexiform layer
GCL: Ganglion cell layer

Courtesy: H. Brandstätter, Institute of Animal Physiology, Department of Biology, University of Erlangen-Nürnberg.