MODES OF TERMINATION OF NERVE-FIBRES 



81 



once or twice round it) it loses its sheaths and is prolonged as an axis- 

 cylinder only, which terminates after either a straight or a convoluted 

 course within the organ (see figs. 98 to 101). Tactile corpuscles occur 



FIG. 97. SECTION OF SKIN SHOWING TWO PAPILLAE AND DEEPER LAYERS or 

 EPIDERMIS. 



a, vascular papilla with capillary loop passing from subjacent vessel, e ; b, nerve-papilla with 

 tactile corpuscle, I. The latter exhibits transverse fibrous markings ; d, nerve passing up 

 to it ; /,/, sections of spirally winding nerve-fibres. 



FIG. 98. TACTILE CORPUSCLE 

 WITHIN A PAPILLA OF THE 

 SKIN OF THE HAND, STAINED 

 WITH CHLORIDE OF GOLD. 



The convolutions of the nerve- 

 fibres within the corpuscle are 

 seen. Ep, epidermis. 



FlG. 99. SlMPLK TACTILE 

 END-ORGANS FROM THE 

 CLITORIS OF THE RA13H1T. 



FIG. 100. ^CYLINDRICAL 

 KND-BULB FROM THE 

 CONJUNCTIVA OF THE 



CALF. 



