The early days of electron microscopy of nerve tissue and membranes.
D000818:Animals; D003585:Cell Biology / Q000266:history; D049673:History, 20th Century; D008854:Microscopy, Electron / Q000266:history* / Q000295:instrumentation; D009132:Muscles / Q000294:innervation / Q000648:ultrastructure; D009420:Nervous System / Q000648:ultrastructure*; D014481:United States