THE DENTAL PULP 



205 



FIG. 120. Section of tooth of Macropus cut without decalcification. 

 d. Calcified dentine ; o. odontogenic zone ; od. odontoblasts ; p. pulp. 

 (x450.) 



od- 



FIG. 121. Large odontoblasts. Macropus. Section cut without decalcifica- 

 tion. od. Odontoblasts ; o. odontogenic zone ; d. dentine. (x650.) 



