Figure 1. Caveolin 1 and 2 in the human retina. Immunohistochemical detection of Caveolin 1 (A and B) and Caveolin 2 (C and D) in the human retina. Negative controls with no primary antibody (B and D) revealed only minor cross reactivity of the secondary antibodies. GCL=ganglion cell layer, INL=Inner nuclear layer, ONL=outer nuclear layer, OS=Outer segments.