Figure 4. Retinal anatomy in Piccolo-/- mice. (A) H&E stained paraffin sections of retinas from Piccolo-/- and wild type (WT) mice. The image below represents the magnification of the upper image. (B) Immunofluorescence staining with DAPI, α-PKC (marker for bipolar cells), and anti-Piccolo antibodies in the retina of Piccolo-/- and WT mice. Scale bars: 20 μm.