title: An inexpensive spray-freezing unit for preparing specimens for freeze-etching.
mesh_terms: D000818:Animals; D005613:Freeze Etching; D005615:Freezing; D006652:Histological Techniques / Q000295:instrumentation; D008930:Mitochondria, Liver / Q000648:ultrastructure; D051381:Rats; D015003:Yeasts / Q000648:ultrastructure