The Afferent and Effebent Netjbons 



75 



oval, from 40 to 60 /j. in its longest diameter. Occasionally a branch 

 terminates in two end plates. In this end plate, of nucleated protoplasm, 

 the fiber arborizes, with enlarged ends [Figs. 62 and 63]. 



Fig. 63. End plate of a lizard. Enlarged 550 diameters. (Schafer, Microscopic 

 Anatomy, after Kuhne.) n, Nerve fiber. 0, Terminal ramifications, m, Matrix 

 (clear substance surrounding the ramifications), b, Granular bed, or sole, of the end 

 organ. 



In smooth and cardiac muscle, the fibers of the terminal ganglia 



A. 



^.Xf"—*. ' 



•US'." ^». 1 



/ 



6 



"■**>. 



'•at^<f<tM;:y:^ 





FlC. 64. Efferent nerve endings on smooth muscle fibers. Magnified probably 300 

 diameters. (Barker, Nervous System, after Huber and De Witt.) 



