title: Rapid freezing and electron microscopy for the arrest of physiological processes.
mesh_terms: D000818:Animals; D001001:Anura; D005615:Freezing; D006652:Histological Techniques / Q000295:instrumentation*; D008722:Methods; D008854:Microscopy, Electron; D009119:Muscle Contraction; D009132:Muscles / Q000166:cytology / Q000502:physiology; D013048:Specimen Handling / Q000295:instrumentation; D013997:Time Factors