THE DENTAL PULP 



219 



fibres within the tubes just beneath the granular layer of 

 Tomes under the cement. At the enamel junction they 

 spread out in fine arborization s within the terminal branches 

 of the dentinal tubes, and some enter the interprismatic 



FIG. 134. The network of nerve FIG. 135. Neurofibrils in dentinal 

 fibrils enveloping the odontoblasts. tubes near pulp, showing nodes or 

 (x800.) enlargements. (x800.) 



FIG. 136. Neurofibrils in the dentinal tubes near the 

 cement margin. ( x 700.) 



spaces of the enamel and terminate in small bulbous enlarge- 

 ments. In the very fine terminal branches of the dentinal 

 tubes at the cement margin, only a very delicate uniform 

 dotting can be seen in these gold preparations, and this 

 appearance is also seen in the canaliculi of the cement with 



