title: Preparation of osmotically intact rod outer segment disks by Ficoll flotation.
mesh_terms: D000818:Animals; D002417:Cattle; D002499:Centrifugation, Density Gradient / Q000379:methods; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D010786:Photoreceptor Cells / Q000166:cytology*; D012374:Rod Cell Outer Segment / Q000166:cytology* / Q000648:ultrastructure