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  • Title: Interphotoreceptor matrix in the colored-light-adapted rat.
    Author: Nakashima Y, Uehara F, Ohba N.
    Journal: Ophthalmic Res; 1992; 24(5):308-15. PubMed ID: 1475079.
    Abstract:
    The interphotoreceptor matrix (IPM) was examined histochemically using colloidal iron, wheat germ agglutinin and Ricinus communis agglutinin-1 for rats adapted to blue, green or red light before tissue preparation. In blue- and green-light-adapted animals, IPM was intensely stained in the apical zone of photoreceptor outer segments and in the outer and inner segment junction, conforming to the light pattern of IPM distribution in previous studies. In red-light-adapted animals, the IPM was prominent and uniform in the interstitial zone of photoreceptor outer segments, consistent with the dark pattern. The results indicate that rod photoreceptors are predominantly responsible for light-evoked changes in IPM.
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