title: Freeze-fracture observations of pigment epithelial cells of the frog retina.
mesh_terms: D000818:Animals; D001001:Anura; D003593:Cytoplasm / Q000648:ultrastructure; D005614:Freeze Fracturing; D007425:Intracellular Membranes / Q000648:ultrastructure; D008854:Microscopy, Electron; D009940:Organoids / Q000648:ultrastructure; D010586:Phagocytes / Q000648:ultrastructure; D010786:Photoreceptor Cells / Q000648:ultrastructure; D010857:Pigment Epithelium of Eye / Q000648:ultrastructure*; D011898:Ranidae