title: A quantitative study of freeze-fractured biological membranes using an image analyzer.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure*; D005260:Female; D005614:Freeze Fracturing; D008854:Microscopy, Electron / Q000379:methods; D009865:Oocytes / Q000254:growth & development / Q000648:ultrastructure*; D013215:Starfish