NERVE-FIBERS. 



67 



nerve-fiber enters at one end and passes into an interior space 

 which contains a transparent substance ; here only the axis- 



FIG. 67. End-bulb of Krause from 

 conjunctiva of man ; methylene-blue 

 stain (Dogiel). 



FIG. 68. Cylindric end-bulb of Krause 

 from intermuscular fibrous tissue septum 

 of cat ; methylene-blue stain (Huber). 



cylinder is present. This terminates at the end of the corpuscles 

 in an enlargement or in minute branches, an arborization. 



These corpuscles exist in the subcutaneous tissue of the palm 



-- Nucleus of lamellae. 



End-cell of core. 

 Lamellae. 



Axis-cylinder in core. 



Cubic cells of core. 



- Termination of medul- 

 lary sheath. 



Axis-cylinder of nerve- 

 fiber. 



Medullary sheath of 



nerve-fiber. 



Neurilemma and sheath 



of Henle. 

 FIG. 69. Corpuscle of Herbst from bill of duck ; x 600 (Bohm and Davidoff). 



of the hand and sole of the foot, and in the penis. Observers 

 have also found them in the pancreas, lymphatic glands, and 

 thyroid. 



