-52- 





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Figure 49. 



Figure 50 



Electron micrograph of pinwheels showing 



gold particles attached to the arms in 



higher magnification. Micrograph 



represents the same tissue and treatments 



as described in Fig. 48. D:Dense body. 



Bar = 120 nm. 



Same tissue and treatment as in Fig. 



49, except that 1/500 normal serum 



was used. Arrows showing the locations 



of non-specific reaction. Bar = 240 nm. 



