... Mu¨ller glia cells of the cone-dominant chicken retina to provide additional11cRAL for cones [2 4–2 7]. The Mu¨ller cell is the prin-cipal glial cell type in the vertebrate retina, comprisinga ... negative cells are indicated by yellow arrows. GCL, ganglion cell layer; INL, innernuclear layer; IPL, inner plexiform layer. ONL, outer nuclear layer; OPL, outer plexiform layer. Scale bar = 10 lm. ... present study); monoclonal mouse anti-6 · His-tag serum (dilution 1 : 300 0) (Millipore, Billerica,MA, USA); monoclonal mouse anti-RPE65 serum (dilution1 : 500 0) (Millipore); and polyclonal goat...