24 



PHYSIOLOGY 



CHAP. 



cutaneous nerve-plates 'of Crevatin, and the arboriferous termina- 

 tions of Dogiel, have been described under this name, but differ in 

 certain very important morphological characters. 



.ai/ 



-11 



FIG. 14. Pacinian body, from cat's mesentery. Magnified. (Ranvier.) n, Peduncle, with nerve- 

 fibre enclosed in sheath of Henle passing to the corpuscle ; n', m, its continuation after loss 

 of sheath ; a, branched nerve-ending at the distal end of the core ; ;/, lines separating the 

 tunics of the corpuscle ; /, channel through the tunics traversed by the nerve-fibre ; c, 

 external tunics of corpuscle. 



All these end-bulbs are found more abundantly on the parts 

 of the skin that are free of hairs, particularly such as habitually 

 serve as tactile surfaces. Over the whole of the rest of the skin 



