The effect of long-term constant light on the frog pigment epithelium.
D000818:Animals; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D008027:Light / Q000009:adverse effects*; D008854:Microscopy, Electron; D010587:Phagocytosis; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000648:ultrastructure; D010857:Pigment Epithelium of Eye / Q000528:radiation effects* / Q000648:ultrastructure; D011894:Rana pipiens; D013997:Time Factors