DEVELOPMENT OF THE ENAMEL 



155 



FIG. 87. Continuity of cytoplasmic threads of ameloblasts -with Tomes' 

 processes and forming enamel, i. Stratum intermedium ; a. ameloblasts ; 

 t. Tomes' processes ; e. enamel. ( x 700. ) 



FIG. 88. Fenestrated membrane over forming enamel. Separated with- 

 out the action of acid. e. Enamel organ ; m. fenestrated membrane. 

 (X600.) 



