title: New results on the ultrastructure of frog rod outer segments.
mesh_terms: D000818:Animals; D001001:Anura; D002462:Cell Membrane; D003584:Cytological Techniques; D005613:Freeze Etching; D005976:Glutaral; D006652:Histological Techniques; D007854:Lead; D008722:Methods; D008854:Microscopy, Electron; D009992:Osmium; D010786:Photoreceptor Cells / Q000166:cytology*; D012160:Retina / Q000166:cytology*; D013194:Staining and Labeling
chemical_list: D009992:Osmium; D007854:Lead; D005976:Glutaral