NASMYTH'S MEMBRANE 



341 



FIG. 229. Nasmyth's membrane. Elongated cells on membrane 

 and impressions of enamel prisms on clear layer. ( x 250.) 



FIG. 230. Separation of the layers of the enamel organ 

 from the follicle. ( x 250. ) 



capsule, others, as Legros and Magitot, asserting that the 

 cells of the external epithelium of the enamel organ atrophy 

 before the completion of the calcification of the enamel. 



