254 



THE DIGESTIVE SYSTEM 



cent dentine. From their apex a delicate process is sent into the 

 dentinal canals, in which they frequently extend all the way 

 through the dentine. Lateral processes from the cell bodies of 



FIG. 213. AXIAL SECTION OF A HUMAN MOLAR TOOTH. 

 <?, cementum ; Z>, dentine ; P, pulp cavity ; &, enamel, x 8. (After Sobotta.) 



