title: Postsynaptic membrane folds of the frog neuromuscular junction visualized by scanning electron microscopy.
mesh_terms: D000818:Animals; D001001:Anura; D008855:Microscopy, Electron, Scanning; D009469:Neuromuscular Junction / Q000648:ultrastructure*; D011894:Rana pipiens; D012508:Sarcolemma / Q000648:ultrastructure; D013570:Synaptic Membranes / Q000648:ultrastructure