title: Quick-freezing--the new frontier in freeze-fracture.
mesh_terms: D000818:Animals; D005260:Female; D005306:Fertilization; D005613:Freeze Etching / Q000379:methods; D005614:Freeze Fracturing / Q000379:methods*; D005615:Freezing; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning / Q000379:methods; D009411:Nerve Endings / Q000648:ultrastructure; D009469:Neuromuscular Junction / Q000648:ultrastructure; D010063:Ovum / Q000648:ultrastructure; D012617:Sea Urchins / Q000648:ultrastructure; D013570:Synaptic Membranes / Q000648:ultrastructure; D013997:Time Factors