Effect of combined muscimol and dTC treatment during the cell death period on the intramuscular nerve branching pattern seen in st. 34 chick IFIB muscle. a, Muscimol treatment alone. b, Combined muscimol anddTC treatment. c, dTC treatment alone. Although there was some increase in branching in the combined treatment, when compared with muscimol alone it was considerably less than that produced by dTC treatment alone. Scale bars: a, b, 15 μm; c, 10 μm.