Immunolabeling of rhodopsin, retinochrome, and acetylated α-tubulin in a whole mount of <i>D</i>. <i>pealeii</i> retina.

<p>(A) Rhodopsin (green) is present only in outer segments, represented by regions parallel to the solid line. Rhodopsin is seen predominantly on the tips and bases of outer segments due to dense packing of visual and screening pigments, which prevent binding in parts of the outer segments. (B) Retinochrome (red) is present only in the inner segments, indicated by the dashed line. (C) Acetylated α-tubulin (white) is present in the inner segments. Blue shows autofluorescence of the tissue. Scale bar, 25μm.